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https://postalinspectors.uspis.gov/aboutus/lab.aspx

Forensic Laboratory Services

The U.S. Postal Inspection Service maintains a state-of-the-art National Forensic Laboratory in Dulles, VA, comprising highly trained forensic scientists and technical specialists who play a key role in identifying, apprehending, prosecuting, and convicting individuals responsible for postal-related criminal offenses. Its mission is to provide scientific and technical expertise to the criminal and security investigations of the U.S. Postal Inspection Service. Laboratory services are divided into the units described below.

Photo of the National Forensic Laboratory

Questioned Documents Unit
The Questioned Document Unit provides technical assistance to Postal Inspectors who are investigating suspected violations of postal statutes. Document Analysts process requests from Inspectors to determine the authenticity of questioned or disputed documents. Analysts determine authenticity through the following procedures:

    Comparing "questioned" and "known" handwriting, typewriting, commercial printing, and other machine or mechanical impressions.
    Analyzing paper and ink.
    Restoring eradicated and obliterated impressions.
    Visualizing indented handwriting impressions.
    Detecting altered and counterfeit impressions.

Fingerprint Unit
The Fingerprint Unit provides technical assistance to Postal Inspectors who are investigating suspected violations of postal statutes by identifying suspects who have handled items of evidence. Latent Print Analysts are responsible for the following activities:

    Developing latent (invisible) prints on evidence.
    Comparing a latent print to a known fingerprint, palm print or footprint of suspects.
    Preparing charts demonstrating identifying features of "questioned" and "known" prints.
    Testifying in court to latent print identification.

The Fingerprint Unit interfaces with numerous automated fingerprint identification systems nationwide to assist in matching latent prints with local offenders.

Physical Sciences Unit
The Physical Sciences Unit, which includes a Physical Evidence and a Chemistry section, provides scientific support to the U.S. Postal Inspection Service offices nationwide. Analysts in this unit are engaged in a variety of functions, as follows:

    Conducting chemical analyses.
    Performing physical examinations and comparisons.
    Providing expert testimony in court.
    Processing crime scenes.
    Training Postal Inspectors.
    Interacting with other forensic science professionals.

Analysts in the Physical Evidence section conduct chemical analyses, examinations, and comparisons of these materials:

    Bomb debris and intact explosives.
    Firearms, tool marks, shoe, and tire impressions.
    Trace evidence such as adhesives, fibers, hair, paint, paper, plastic, rubber, and insulation from safes and tape.
    An accelerant from suspected arson fires.
    Serial number restorations.
    Tampered U.S. Postal Service equipment and mail.

The Chemistry section supports Postal Inspectors across the country by analyzing materials suspected of being controlled substances. Some of the more common controlled substances found in the mail include the following items:

    Cocaine
    Heroin
    LSD
    PCP
    Amphetamine
    Marijuana

Forensic Chemists conduct a variety of chemical analyses and testify to their findings in court, including the following:

    High-performance liquid chromatography (normal and reverse phase).
    Mass spectrophotometry (chemical impact and electron ionization).
    Gas chromatography.
    Four

Digital Evidence Unit
The Digital Evidence Unit has offices throughout the country. The unit is led by an Assistant Inspector in Charge located at the National Forensic Laboratory and is comprised of Inspector Program Managers, Forensic Computer Analysts and Ad Hoc analysts domiciled in each of the eighteen Inspection Service Field Divisions. In addition, there are Audio/Video Forensic Analysts located at the National Forensic Laboratory.

The Digital Evidence Unit is the principal group responsible for the collection, preservation, and examination of computer digital evidence in support of all Inspection Service investigations. Digital evidence analysts are tasked with examining computer evidence and any digital media for information or data pertinent to Postal Inspection Service investigations.

Computer evidence may include:

    Desktop computers
    Laptop computers
    Cellular phones
    MP3 devices
    Digital cameras and camcorders
    Personal digital assistant devices (PDAs)
    Any storage device that may hold digital media

In addition to processing cases, the Digital Evidence Unit is available for technical advice and assistance in seizing and preserving evidence at the crime scene.

Quote from: kmfkewm on April 12, 2013, 11:09 am

Quote from: pkizenko98 on April 12, 2013, 11:00 am

Don't let paranoia and propaganda cloud your minds.


(The following paper was the text of a presentation at a training seminar for Los Angeles County Deputy District Attorneys on November 14, 1992)

This is an excerpt.

"Often, detectives are disappointed and prosecutors are frustrated with the lack of the irrefutable evidence of the suspect's fingerprints on a particular item of evidence, which he must have handled. It is unfortunate that, unlike on television, the �suspects� prints don't always appear.  A look at the factors influencing the chances of obtaining prints will assist in understanding the fragile and elusive nature of latent impressions.  Each of the following various factors independently or in combination can account for the lack of prints on a surface:  1) Individuals don't always have a sufficient quantity of perspiration and/or contaminates on their hands to be deposited,  2) When someone touches something, they may handle it in a manner which causes the prints to smear,  3) The surface may not be suitable for retaining the minute traces of moisture in a form representative of the ridge detail, and 4) The environment may cause the latent print to deteriorate. The most important fact dealing with the lack of fingerprints is that it neither suggests, implies, or establishes that any person did or did not touch the item of evidence.  Items which have been witnessed to have been handled and laboratory experimentation repeatedly reiterate this premise".

Don't let the fact that every single case can't be solved with fingerprints cloud your mind into touching everything with your bare hands. That is just beyond fucking stupid.

Why you don't need to wear a condom when banging random prostitutes in Africa:

1. HIV is not always transmitted during sexual intercourse, and it doesn't always take hold and cause an infection
2. Maybe you just get a blowjob, that has a much lower risk of transmitting HIV
3. Not ALL prostitutes in Africa have HIV in the first place
4. Maybe you are a natural resistor, something like 1% of male Caucasians resist HIV infection to such an extent that they are virtually immune

Saying that you don't need to wear gloves when you handle illegal packages is pretty much the same as saying you don't need to wear a condom when you bang random African prostitutes, and then giving the above list of reasons. In other words, it makes you look like a dumb ass who is about to get infected with HIV.

There is a thing called being cautious, and a thing called ignoring common sense and wasting precious time!  I will inform you on what side you are currently on!

Fingerprinting mail?  Really? Ok

Now if your using MBB the only layer you would need to worry about is the last, I hope I don't have to explain why, and you should be wiping it down anyway. 

This leaves the the mailing itself, which is going to pass through at least a couple more hands as it goes thought the system.  Every post office I go too, employees do not wear gloves!

I been in this field for quite some time.  Many family and friends have been in and out of the system for drug charges, known of them convicted over fingerprints!  They would laugh at you and probably shank you for being so easily manipulated by what you see on tv.  Did you even read my post?

Since you are clearly clueless, I will take some time from my busy day to explain to you something called an INTERSECTION ATTACK, one of the fundamental types of forensics (correlation is another!).

Let's say you touch the outside of the envelope and get your fingerprints on it. Now, as you are hopelessly clueless, you incorrectly assume that it doesn't matter because your fingerprints will blend in with the fingerprints of dozens of other people who handle the package. Now when your package is fingerprinted after being intercepted, the detectives find 12 unique prints belonging to 12 different people. Whew, you may say to yourself, I am totally safe! Now, assuming they don't zero in on your prints due to the fact that you have previous drug charges and are not someone who works in mailing, the detectives just wait. Now they intercept another package from you (or they order another package from you, to save themselves some time!). This time they get 20 unique prints! Whew, you may say to yourself, I am totally safe! Except now those clever detectives take the first set of prints and the second set of prints, and they remove all prints that don't show up on both packages (this is an intersection attack!). Oh no, now only your prints are suspect , because none of the original 12 people who handled your first package handled the second package! Now you are totally fucked!

You are obviously new to mailing drugs, and my money is on you being busted in no time if you really don't wear gloves. Welcome to forensics 101.

I agree to use gloves to maintain smell sterility.

The context in which I was addressing this post was whether LE would take the time to get fingerprints off a package. 

They won't

Yes they will. Why the fuck would they not. If a vendor is shipping drugs LE wants to bust them. If they don't use gloves, they will have fingerprints all over the package. If LE gets fingerprints off the package, and find a match for the vendor, then the vendor is busted that easily. Fingerprinting intercepted packages is possibly the easiest way to bust most people who ship drugs. You are god damn hopelessly deluded and quite likely fucktarded if you think LE will not fingerprint intercepted packages. USPI has an entire lab dedicated to forensics on intercepted mail. You live in a total fantasy world and obviously have not got the slightest god damn clue about reality if you really think that they will not fingerprint packages, so please do yourself a favor and shut your stupid ass mouth before you make yourself look like the biggest idiot in the world, again.

No, we don't worry about fingerprints because we use gloves. I'm sure you will be worried though when one of your packages gets intercepted and you didn't use them. You don't have to use latex gloves either. Any gloves will do the job.

Not any gloves will do, and latex gloves are especially risky. If the gloves are too thin they will conform to the ridges of your fingerprints, turning their outside surface into a rubber stamp. If the gloves have debris on the finger surface, pressing down will essentially stamp the debris onto the surface you touch in the shape of your fingerprint. Latex gloves are too thin and often they are powdered, making them a very risky choice.

If you connect to Wi-Fi you could use a directional antenna. Works great in high population areas. Sort of puts you outside the logical physical triangulation area, if you know what I mean.

Wifi can be traced all the way back to its source. The attacker just needs to measure signal strength and keep moving until it gets stronger and stronger. Eventually that will lead them right to you. using open or cracked WiFi is great for unlinkability after the fact, but a live WiFi connection can be traced with little resources and in no time.

Quote from: kmfkewm on April 11, 2013, 03:50 pm

So in summary, libertarian anarchists are not ultra conservatives, in regards to financial and business related things they are ultra ultra ultra conservatives and in regards to social things they are ultra ultra ultra liberals.

Maybe he should have been more specific but I'm sure Chomsky was referring to the economic ultra-conservatism of the US wing of libertarian anarchy, the economic ideologies of Hayek and Nozick's Libertarianism. Not social issues. Only a complete noob would have misunderstood him on this point.

It is just that he used the wrong word, is all. Saying Libertarians are ultra conservatives is like saying liberals are Marxists.

On taxation:

Liberals:             Want higher taxes to fund social programs
Conservatives:  Want lower taxes
Libertarians:    Want extremely low or no taxes


On Business Regulation:

Liberals:  Want highly regulated businesses , restricted from allowing people to smoke inside, restricting portions of food they can serve, mandating that they do not discriminate based on race and/or various other factors, mandating that they provide services to their workers

Conservatives: Want little regulation on businesses, generally allowing them to operate as they please
Libertarians: Want little regulation on businesses, generally allowing them to operate as they please

On Gay Marriage:

Liberals: Want gay people to be treated equally under the law
Conservatives: Want to discriminate against gay people and keep marriage as between a man and woman
Libertarians: Want the government to have absolutely nothing to do with marriage, de facto causing them to be in support of gay marriage

On Government Safety Programs:

Liberals: Want a lot of government programs like the FDA to approve drugs and food, etc. Lots of government restrictions, testing, approvals, certifications, etc
Conservatives: Want a lot of government programs like the FDA to approve drugs and good, etc, but not as much as liberals
Libertarians: Want the government to have absolutely nothing to do with approving drugs, food, devices, etc


On Health Care:
Liberals: Want to have socialized health care, where everybody has access to health care regardless of their ability to pay
Conservatives: Do not want socialized health care
Libertarians: Do not want socialized health care

On the right to bear arms:
Liberals: Want the right to own weapons to be extremely restricted or revoked
Conservatives: Want the right to own weapons, although with some limitations
Libertarians: Want the right to own weapons with few if any limitations

On censorship:
Liberals: Are generally against censorship other than in extreme cases such as CP possession
Conservatives: Are generally in favor of censorship of things that offend them, including pornography in general
Libertarians: Are generally against censorship in all cases, including extreme cases such as CP possession

On enforced racial equality:
Liberals: Are generally in favor of things such as affirmative action , requiring businesses and education institutions to have a certain percentage of people from various racial backgrounds

Conservatives: Are against things like affirmative action, leave it up to the institutions to decide their own policy

Libertarians: Are against things like affirmative action, leave it up to the institutions to decide their own policy

On prostitution:

Liberals: Are generally in favor of the government regulating prostitution, and it being legal, particularly legal for the people selling sex
Conservatives: Are generally in favor of prostitution being illegal for all who participate in it
Libertarians: Are in favor of prostitution being legal

On drugs:

Liberals: Are generally in favor of decriminalizing drug possession and legalizing soft drugs such as marijuana
Conservatives: Are generally in favor of increasing penalties on all drug crimes, and keeping all drugs illegal
Libertarians: Are generally in favor of legalizing all drugs

On intellectual property:

Liberals: Are generally in favor of abolishing or greatly reducing intellectual property laws

Conservatives: Are generally in favor of maintaining current intellectual property laws

Libertarians: Are split about 50-50 between maintaining current intellectual property laws and reducing or abolishing intellectual property laws. Particularly in the case of pure information, libertarians tend to be in favor of at least reducing the current intellectual property laws.


On age of consent:

Liberals: Tend to favor 16
Conservatives: Tend to favor 18
Libertarians: Tend to favor lower than 16

on abortion:

Liberals: Tend to be in favor of legalized abortion even into later pregnancy
Conservatives: Tend to be entirely against abortion and in some cases even contraception of any sort
Libertarians: Tend to be in favor of legalized abortion, although the exact cut off date is debated

on government surveillance:

Liberals: Tend to be against heavy government surveillance
Conservatives: Tend to be in favor of heavy government surveillance (If you have nothing to hide....)
Libertarians: Tend to be extremely against almost all government surveillance

On War:

Liberals: Tend to be against war in most cases (ie: Vietnam, Iraq, etc)
Conservatives: Tend to support war in most cases
Libertarians: Tend to be against war in most cases (ie: Vietnam, Iraq, etc)

On education:

Liberals: Tend to be in favor of science
Conservatives: Tend to be largely anti science and pro religious
Libertarians: Tend to be in favor of science, although they are against public schools in the first place

The LSM tabs were also incredibly bitter (one person even gagged and puked up a bit just trying to swallow one, they tasted like total shit). Effect wise they felt a bit more speedy than LSD, lacking in the deeper psychedelic effects to some extent, but with a much more club drug, rushy, euphoric feeling to them. It felt like a close cousin of LSD, notably different but obviously related. My favorite part about it was that I could take it multiple days in a row and still get good effects, something that is next to impossible with LSD.