Read the following context and choose the best option to answer the question.
Context: We sat with her until the ambulance came to take her in . I then stood down from my shift and went home to get a much needed 3 hours ' sleep . The course on Sunday was cracking - very valuable and while it did n't teach us everything about scenes of crime ( or as someone kept saying - signs of cream ) , it gave us a basic introduction to the concepts . Certainly useful when we come across cases where it 's too dangerous for a SOCO to get to the scene and we have to collect evidence on their behalf .
Question: What best describe 's the OP 's occupation ?
Options: 
- Police officer
 - Traffic cop
 - Paramedic
 - None of the above choices .


Police officer