On the latest episode of “Gang Related,” titled “Perros,” the LAPD’s Gang Task Force uncovers a sex-trafficking ring run by the Russian mafia and the results aren’t pretty. Meanwhile, Det. Lopez is faced with the hard choice of putting Los Angelicos’ leader behind bars, which will significantly delay Javier’s plans to help his family get back on track.

In Zap2it‘s exclusive preview, Javier must implore son Carlos to work with a trainer who is going to help Carlos with rehabilitation on his legs. Carlos is less than enthused, but the trainer says Carlos’ condition is not hopeless and that if he works his butt off, he just might walk again.

“Gang Related” airs Thursdays at 9 p.m. ET/PT on FOX.