The Drama Group is presenting “Wait Until Dark,” a thriller that is filled with suspense as two con men find themselves up against a blind woman. The show, featuring Geoffrey Purvis of Homewood, will be presented at 7:30 p.m. Fridays and Saturdays, Sept. 22 and 23 and again Sept. 29 and 30, and at 2 p.m. on Sundays, Sept. 24 and Oct. 1. The production is staged at the Milord Studio Theatre, 330 W. 202nd St., Chicago Heights. The story focuses on a sinister con man who coerces two ex-convicts into helping him trick . . .