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Joselyn Martinez says her own Internet legwork was the key to catching her father's escaped murderer over 25 years later. - 

Joselyn Martinez was 9-years-old in 1986, when her father was shot and killed at his Dominican restaurant in New York City. She remembers crying relatives, visits from detectives, and she remembers the name of the suspect who fled the scene and escaped.

A decade ago, Martinez decided to start searching for suspect Justo Santos online. She looked on Myspace, scoured web listings, ran background checks, and talked to detectives. Last month, authorities found and arrested Santos in Miami. Martinez says her own Internet legwork was the key to catching him. She joins Marketplace Tech host Ben Johnson to discuss her investigation.

Follow Ben Johnson at @@TheBrockJohnson