Louis melancon and det. Carlos castellanos investigate the murder of two men savagely gunned down in the middle of a residential street. Webat a gruesome crime scene in dallas, tx, detective rick duggan finds a badly decomposed body. To solve the case, detectives delve into the victim's past. Caroline mason, and former det. John berrena look back on their experiences on the first 48 and ref. Webdespite the grueling hours required of a homicide detective, sgt. Mason understands the importance of nurturing a healthy home life. “you have to surround yourself with things. Webthe first 48 follows the nation's top police departments during the critical first 48 hours of murder investigations, giving unprecedented access to crime scenes, interrogations.
