INJURED PARTY HAD JUST PUT IN HIS 2ND DAY OF WORK RUNNING ROOF BOLTER WHEN ON HIS WAY HOM FROM WORK HE FELT A PAINT IN HIS RIGHT KNEE. HE SAID THIS PAIN GOT WORSE AS THE DAY WENT BY. HIS SHIFT WAS FROM 0700 TO 1500. HE SAID HE DID NOT RECALL HURTING HIS RIGHT KNEE AT WORK.