KANSAS CITY, Mo. — The cockroach infestation in Khatib Williams’ kitchen was the first of many red flags signaling he needed to get out of his place owned by Citadel Apartments, near 61st Street and The Paseo. “They were everywhere,” Williams said. “They were in places I’d never imagine. I couldn’t even use my microwave to warm up some pizza.” Williams wanted out, but his complex automatically renewed his lease after six months, due to a stipulation in his lease. When Williams withheld rent while trying to figure out what to do, the landlord served him an eviction notice — the building is one …