Brianna Simpson is guilty, but only of manslaughter. The jury in the case reached it’s verdict Thursday. Simpson was on trial for the stabbing death of 34 year old Henry Perkins Jr. at their downtown Watertown apartment back in June 2013. Simpson was acquitted of the most serious charge against her of second degree murder. Overall, Simpson was convicted of first degree manslaughter, first degree assault, and criminal possession of a weapon. She faces up to 25 years in prison when sentenced on May 29.