The Penquis Sex Trafficking Action Response Team (START) will host a free online film screening of “Gridshock,” a documentary about human trafficking, followed by a panel discussion with local experts on Tuesday, Sept. 29 from 6:30-8 p.m. on Zoom. “Gridshock” is a documentary exposing the hidden reality behind sex trafficking in the United States Community providers will be present at all events with information and resources for victims and survivors of sex trafficking and commercial exploitation.