A summer of gun violence continued in Milwaukee over the weekend, with police investigating three homicides, including that of a teenager. The Milwaukee Journal Sentinel reports a 27-year-old woman was shot to death early Saturday morning during an apparent drug deal that went sour, a 33-year-old man was shot and killed just after midnight Sunday, and a 16-year-old boy was shot and killed Sunday afternoon. Police are looking for suspects in all three deaths.