Actually he ran back to pick it up then droped it by the body. Guess he knew had to hurry up before more investigators arrived.
Something that people have not gotten into yet, is that all 7 of the officers who showed up immediately after, are being looked into, to see to what level, if at all, that they may have played along with a cover up.
I’m sure that most of us have wondered what role the second cop plays in this.