23-year-old Watertown man facing federal sex charges

SIOUX FALLS, S.D. (KELO) -- A Watertown man who is accused of preying on young boys faces new charges - this time in federal court. 23-year-old Alex Kowalski appeared in court this afternoon. This is the third case filed against Kowalski. In April, court documents show he was arrested after a young boy told his [...]