Tsutomo Shimomura's claim to fame came after Kevin Mitnick hacked into Shimomura's personal computer. His actions might have earned him the title of 
"cyber bounty hunter" when he helped the FBI and was instrumental in Mitnick's ultimate arrest.
It would appear that hell hath no fury like a hacked hacker and Shimomura decided to fight hacking with hacking. Almost immediately after the intrusion, he gathered a team of computer experts. According to SDSC Computer Experts Help FBI Capture Computer Terrorist (Feb. 16, 1995), Shimomura, with his team, a phone-company technician, and federaly-subpoenaed phone records, "used a cellular frequency direction-finding antenna hooked up to a laptop to narrow the search to an apartment complex" near Raleigh-Durham International Airport.
Tsutomu Shimomura has been known to flirt with disaster when it comes to his hacking abilities. Says author Bruce Sterling about their first meeting at a Congressional subcommittee hearing, " . . . he pulls out this AT&T cellphone, pulls it out of the shrinkwrap, finger-hacks it, and starts monitoring phone calls goung up and down Capitol Hill while an FBI agent is standing at his shoulder, listening to him".
In 1966, Shimomura co-authored the book Takedown with journalist John Markoff; the book was scripted for the movie of the same name in 2000.
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