Cook County Crime Stoppers announced Monday that they are offering a cash reward of $10,000 for information leading to arrests in a mass shooting that left four people dead and 14 wounded outside the Artis Restaurant and Lounge in Chicago's River North neighborhood last week.

Four people were killed and 14 others wounded in a "deplorable and cowardly" mass shooting in Chicago on Wednesday night, according to the police superintendent.

Fourteen people were injured and four were killed in a drive-by shooting outside a lounge in Chicago's River North neighborhood on July 2, USA TODAY reported. Here's what we know.