'The Fosters' Maia Mitchell: Callie puts on her 'detective pants' in Season 4

“The Fosters” Season 4 has started at full speed with their terrifying school shooting episode, Nick's (Louis Hunter) break-in to the house and the backlash of Stef (Teri Polo) and Lena (Sherri Saum) finding out about Callie (Maia Mitchell) and Brandon ...