ALTON – An Alton triple shooting suspect facing a retrial following an overturned conviction faces new charges after multiple witnesses expected to testify were allegedly harassed via Facebook.Steven Foster, 39, of Alton, was charged on May 22, 2026 with four counts of harassment of a witness, each Class 2 felonies. The charges stem from a series of Facebook posts, including one each from Nov. 2 and Nov. 17, 2025, as well as two posts from May 21, 2026.In each of the posts, Foster – ...