TV Series | TV-14 | | Crime, Drama, Mystery
The Philadelphia homicide squad's lone female detective finds her calling when she's assigned "cold cases", older crimes that have never been solved.
Justin Chambers was originally part of the main cast, appearing in the first 4 episodes of season one before leaving to take a role on Greys Anatomy. Danny Pino was hired several weeks later as Chambers replacement.
A triple murder gets you a date with the needle real quick.
Frequently, in various episodes, the detectives say that a gun is registered to someone (or that someone has no registered guns, or the like). There is no gun registration in Pennsylvania; it's prohibited by state law.