“Lurker” (Mubi, Universal Pictures and Focus Features) By ERIK PIEPENBURG This month brings cool girl witches, bad boy cutthroats and sinister political agitators. ‘CAMP’ Trauma, belonging and witchcraft wrestle with each other in this strange and sublimely supernatural summer camp drama from writer-director Avalon Fast. Haunted by a tragic accident in her past, Emily (Zola Grimmer, wonderful) takes a job as a counselor at a Christian camp “for damaged kids kinda like you,” as her father…
