MVA

At 0100 on 03/02/16 we received a 9-1-1 dispatch for an MVA on east bound Glen Rd. between North ave and Lawrence Rd. We arrived on scene at approximately 0105 to find a two vehicle collision. Fire was on scene and were extricating a PT from her vehicle. The second PT was ambulatory but heavily intoxicated. Vitals as follows: BP 136/94, pulse 103, respirations 16/min and shallow, oxygen saturation 98%, blood sugar 103. No pertinent medical history. PT admitted to drinking "7 or 8 drinks". PT had suffered minor lacerations to the forehead and hands. PT was then transported to CDH. 

At this time FD had completed extrication of the female PT. They had already requested critical care airlift to Good Samaritan. PT had sustained a laceration to the femoral artery, as well as a possible aortic rupture. Attempts to control the hemorrhaging were unsuccessful and PT went into decompensated shock. PT was pronounced dead on scene and the airlift cancelled. No further interventions taken. Ambulance 6 was unable to return to service after this call until approximately 0700. 

The patient from the car was my fiancee. She died in my arms, scared and in pain, while my partner applied a torniquet to her leg to try to stem the bleeding. 

What do I do now?