Posted by
John F. McGowan, Ph.D. in
Essential Math,
History on
Sep 20th, 2011 |
4 Comments
On March 11, 2004 a series of bombs exploded aboard four commuter trains in Madrid, Spain, killing 192 people and injuring 2050.
The Spanish police recovered a bag containing detonating devices which had a latent fingerprint that the Spanish shared with the United States Federal Bureau of Investigation...