( CNN ) -- The man accused in Tuesday 's shooting at Purdue University was found sitting in a hallway , bloody and with his hands behind his head , authorities said in documents filed Thursday supporting a murder charge . Cody Cousins , 23 , is accused of killing teaching assistant Andrew Boldt in front of several people in the school 's electrical engineering building . Authorities say Boldt was stabbed and shot . Investigators recovered a handgun , spent bullet casings and a knife , according to an affidavit that accompanies the formal charge of murder filed Thursday in Tippecanoe Superior Court . Cousins was scheduled to appear in court on Thursday for an initial hearing . Boldt will be buried on Tuesday . Authorities have not disclosed a motive .
Purdue shooting suspect found waiting in hallway , hands behind head , police say . Cody Cousins is accused of stabbing , shooting Andrew Boldt . He was formally charged on Thursday . Authorities have n't released a motive .