Several old cases are reviewed after a crime lab used by the LAPD is discredited; Provenza's old partner comes out of retirement to help on a case they closed seven years ago.
The team gets an anonymous letter saying the 1999 accidental death of a swim coach at a military academy was the result of a carefully orchestrated plot.
Several old cases are reviewed after a crime lab used by the LAPD is discredited; Provenza's old partner comes out of retirement to help on a case they closed seven years ago.
