This episode aired the same day as the pilot of Rizzoli and Isles, Lee Thompson Young was a guest star who played a criminal in this show and played a detective in Rizzoli and Isles. (Barry Frost)
The unsolved case number for the evidence bag with the gun in it is: #47426. Hodges was unable to find prints on the gun and the investigation stalled.
Stark mentions that a Code 5-8 has occurred. Helen Traynor asks if that is bad. He replies "It could be." Code 58 is Dallas police code for "Routine Investigation". If he slurred the words and meant Code 5-a, that would mean "Burglary of a Habitation". If he meant Code 5 with Disposition 8, that would be "Burglary" that is "Unfounded".
When Eric looks through the "Ugly 1989 Cutlass" glove compartment, he finds an insurance form. The information listed is: Helen Traynor, 51 Fallbrook Rd. Dallas, TX 75214, which is in the area of White Rock Lake. That ZIP code would denote a block number between 6000 and 7000 if the street is east-west, or 2000-6000 if the street is north-south, specifically on the west shore of White Rock Lake.