Gun violence that swept through swaths of Chicago over the weekend pressed into mid-week Wednesday when five people were found slain in a South Side home.<br /> <br /> The afternoon crackle of gunfire in Chatham boosted a grim statistic: In fewer than seven days, the city has seen more than 40 shootings—and 13 deaths.<br /> <br /> Many of the recent shootings have been attributed to ongoing gang feuds on the South and West Sides, but Chicago police spokeswoman Monique Bond said Wednesday's quintuple homicide may have been committed by "some known affiliate of the victims."<br />