A policeman is killed by a colleague and sent again by a secret organization in another body to him and another friend and they hunt down the monsters.

Movies
1

A policeman is killed by a colleague and sent again by a secret organization in another body to him and another friend and they hunt down the monsters.

2

“R.I.P.D.” (2013)?

3

Was it, The Hidden 1991 - Trailer: The Hidden (1987) Official Trailer - Kyle MacLachlan, Michael Nouri Alien Crime Movie HD - YouTube