Plot summary
Alberto Santana (Michael Galante) dies when his street racer explodes during a race after he turns on the car's nitrous oxide. Giovanni Gilberti ( Matthew Del Negro ) uses his phone to record the events. Also the video from memory card of the car's camera was restored. Upon review of these videos, the team spots Detective Martinez in the crowd. Maura and B.T. Cerrone ( Eric Winter ), a bomb technician, realize the nitrous had been swapped out for propane and find a detonator. To complicate matters, the team learns that the other car from the race was used in drug running. Jane fears their investigation will be impeded by the drug case.
Credits
Adapted from Wikipedia contributors, List of Rizzoli & Isles episodes. HTML formatting and reference markers removed.