Watched Cold Case 4Γ—15 β€œBlood on the Tracks” from Trakt
Lilly investigates the deaths of a married couple who perished in 1981 when a supposedly accidental gas-leak explosion set their house on fire. The case is reopened when fragments of a bomb are discovered at the house during renovations. Back at headquarters, Stillman takes care of his 4-year-old grandson.
https://trakt.tv/shows/cold-case/seasons/4/episodes/15 (https://www.frederickcalica.com/?p=3368216)

Watched Cold Case 4Γ—14 β€œ8:03 AM” from Trakt
In 2002, two kids were shot in front of two different schools on the same day at precisely 8:03 a.m. It's the fifth anniversary of the shootings, and Kat Miller wants to re-open the murders because she feels the cases are connected.
https://trakt.tv/shows/cold-case/seasons/4/episodes/14 (https://www.frederickcalica.com/?p=3368215)

Bookmarked Cold Case 4x13 "Blackout" (Trakt)
Lilly investigates the 1996 murder of a wealthy divorced woman who was found dead in her ex-husband's indoor swimming pool. The original investigation ruled the death accidental, but new evidence suggests it was a homicide.
https://trakt.tv/shows/cold-case/seasons/4/episodes/13 (https://www.frederickcalica.com/?p=3368179)