by Laurie Mayk, Daily Mail reporter

Childhood friends speculane. Acquaitances analyze chances encounters. Colleagues wonder what went wrong.
Through bits and pieces of memories and handwriting samples they look for answers to questions that have plagued the FBI
The Federal Bureau of Investigation is the domestic intelligence and security service of the United States and its principal federal law enforcement agency.
for 18 years. But now it is closer to bome. What links Theodore John Kaczynski, a promising University mathematician, to the sketch of a killer and a path of destruction?