Tuesday, May 13, 2008

The Fingerprint Mystery

A man stabbed his wife to death. He was alone with her before and after the crime. To throw the police off, he decided to leave false fingerprints. How is this possible?

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21 Comments:

Anonymous Surge said...

How:
http://www.ccc.de/biometrie/fingerabdruck_kopieren.xml?language=en

Actual research paper:
http://cryptome.org/gummy.htm

A discussion of some follow-up events (search the page for 'fingerprint'):
http://www.schneier.com/crypto-gram-0804.html

But of course, he could have just gone the crude/gory route and previously cut off someone's (possibly a recently dead person's) fingertip. I prefer the sophisticated approach :)

May 13, 2008 7:29 PM  
Blogger Eric said...

Its not that complicated......

May 13, 2008 7:41 PM  
Anonymous Anonymous said...

hes got fake hands!

May 13, 2008 7:51 PM  
Anonymous Anonymous said...

He uses his (deceased) wife's fingerprints.

Nevzat

May 13, 2008 8:09 PM  
Anonymous Anonymous said...

he DECIDED TO leave false fingerprints. How is THIS possible?

Very simple ... he had an idea

May 13, 2008 8:56 PM  
Anonymous Anonymous said...

its possible because he was alone with the dead wife before and after... so he has all the time in the world...

-Rx (Duhr)

May 13, 2008 10:21 PM  
Anonymous Anonymous said...

He was attempting to make it look like suicide by using her fingerprints.

May 14, 2008 12:30 AM  
Blogger Eric said...

The correct answer he use her big toe print

May 14, 2008 12:02 PM  
Anonymous Anonymous said...

I think he used someone else's hand, one that was cut off from the other person before he killed his wife.

May 14, 2008 4:03 PM  
Anonymous Keenan said...

The lead CSI on the case was his best friend and he owed him a favour! :)

May 14, 2008 4:35 PM  
Anonymous Anonymous said...

I think he put on gloves, touched another person's fingertips, and took their fingerprint

May 14, 2008 5:06 PM  
Anonymous Jersey 12:P said...

someone came over and left a fingerprint on a glass, he fingerprint dusted it then put tape over the print to get the print off, then he pushed on the tape on surfaces around the house:P idk just a idea

May 14, 2008 5:30 PM  
Anonymous Anonymous said...

He used his dead wife's finger prints to make it look like a suicide

May 14, 2008 7:35 PM  
Anonymous Anonymous said...

he cud use his wifes fingerprints

May 14, 2008 11:56 PM  
Blogger Talia said...

well obviously he used his wife's fingerprint to make it look like she killed herself (suicide) to throw the police of guard. They would have never suspected it if he hadn't have been home...

May 15, 2008 4:41 PM  
Blogger Talia said...

This post has been removed by the author.

May 15, 2008 4:41 PM  
Anonymous Lar said...

it says he was alone before and after the crime but doesn't say he was alone during! he had an accomplice whos fingerprints could have been used!

May 16, 2008 11:26 AM  
Blogger Eric said...

I give you the answer and you still get it wrong...... stupid

May 16, 2008 12:53 PM  
Anonymous Anonymous said...

he was never married......

May 16, 2008 2:56 PM  
Anonymous Anonymous said...

He used a Koala bear's print, which hardly differs from a humans print.

May 16, 2008 3:02 PM  
Blogger Robbie the puzzle pirate said...

....
eric gave us the answer...
why is no one listening to him?
durr

May 31, 2008 7:32 PM  

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