Hebrew U scientist's spray catches terrorists red-handed
By JUDY SIEGEL-ITZKOVICHjoseph almog 224.88(photo credit: Courtesy)
Minute traces of a homemade explosive that was used in the first World Trade Center bombing in 1993 and has killed more than 100 Israelis in suicide bombings can easily be detected using a spray developed at the Hebrew University of Jerusalem that literally catches terrorists red-handed.
The detector spray was developed by Prof. Joseph Almog of the university's Casali Institute of Applied Chemistry, formerly an Israel Police lieutenant-commander and director of its Identification and Forensic Science Division.
The spray is applied to cotton swabs that have been rubbed on the hands of a suspect or objects he carried, and, if they have had recent contact with the explosive urea nitrate, the chemical turns blood-red.
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