Less than 24 hours after William Balfour was found guilty of murdering her mother, brother and nephew ... Jennifer Hudson and her husband David Otunga hit up a Six Flags Great America in Chicago. 

After three days of deliberations, Balfour was convicted of 1st degree murder in the deaths of Darnell Donerson, Jason Hudson, and Julian King. Balfour was also convicted of home invasion and residential burglary.

Balfour faces a mandatory sentence of life in prison because he has been convicted of multiple murders.

Hudson was in court when the verdict was read.