Name: Conviction, Part 1
Uploaded: Mon Feb 13 2012 01:27:00 GMT+0000 (UTC)
Duration: 5 min 24 s
Description: Jon Adrian Velazquez, currently serving 25 years to life at Sing Sing prison for the murder of a retired cop, started writing letters to a Dateline producer in 2002. He claimed he was wrongfully convicted and challenged Dateline to find any evidence of his guilt. A 10-year investigation begins. Luke Russert reports.

Feb. 13, 201205:24