Two young, attractive people come together, and it's no match made in heaven. Dateline NBC's Josh Mankiewicz reports.
Tom Tingle / Pool via AP
Jodi Arias answers written questions from the jury on March 7 during her murder trial in Maricopa County Superior Court in Phoenix.
Jon-Adrian "J.J." Velazquez, in his cell at New York's Sing-Sing prison in 2011.
The "wanted" poster distributed by police immediate after the Jan. 27, 1998, slaying of former NYPD Officer Albert Ward.
Courtesy of Maria Velazquez
Jon-Adrian Velazquez with Vanessa Cepero, his then-girlfriend, and two sons shortly before he was arrested in 1998.
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.
Kevin's family remembers a brother, son. You can visit his Facebook memorial page here --