The FBI Files - Season 1 - Eps 1: Polly Klaas: Kidnapped
Polly Klaas was kidnapped from her own slumber party and murdered, lasers helped the FBI identify and find the perpetrator. It took 200 FBI agents two months to find Richard Allen Davis, who was convicted and sentenced to death.
About The FBI Files

Title: The FBI Files
First Air Date: 1998-10-20
Last Air Date: 2006-03-24
Status: Ended
Rating: 7.4/10 (from 10 votes)
Language: EN
Seasons: 8
Total Episodes: 121
Network: Discovery
Genres: Documentary, Crime, Reality
Production Companies: Unknown
Synopsis
Witness the crime busting techniques and forensic science used by the FBI to break the most baffling cases. From crime scene analysis to the most up-to-date laboratories, FBI agents relentlessly comb through mountains of evidence to narrow their search, ultimately prevailing over the perpetrators and bringing them to justice.