Four dead, including a 16-year-old boy, and at least 40 others wounded over weekend in Chicago

Over this past weekend, as Lollapalooza was held downtown in Grant Park, the carnage in Chicago continued. During the weekend, four people were shot to death and at least 40 were wounded. 

The weekend's youngest fatal shooting victim is a 16-year-old boy who what shot early Sunday morning in the Brighton Park neighborhood on Southwest Side while he was a passenger in a car. 

There were two deadly drive by shootings early Saturday. A man was killed as a he stood on a sidewalk in Bucktown on the Northwest Side. And in Gresham on the South Side another passenger in a car shot to death. 

Shortly after dawn on Sunday, a man was discovered dead from multiple gunshot wounds in Chicago Lawn on the Southwest Side.