[s6e1] The Platform -

Dr. Maura Isles introduces a new assistant medical examiner, Kent Drake , a former military doctor whose quirky personality initially clashes with Jane.

The man Frankie shot, Sean Hughes, was part of a group—including Spike and a man named John Stanton—planning to hack into the subway's routers to cause a train crash. [S6E1] The Platform

The episode concludes with the team celebrating at Frankie's new place, relieved that his career and reputation remain intact. "Rizzoli & Isles" The Platform (TV Episode 2015) - IMDb [S6E1] The Platform

A lighter subplot involves Frankie's new apartment, which he tried to keep secret until his mother, Angela, forced a "hideous" free armchair into his life. [S6E1] The Platform