When Frankie takes the phone from one room to another to make a phone call, the wire for the phone line changes from going past the desk in one room, to coming from the far wall in the other room.
Frankie throws the folder of evidence out the window so it can be picked up without wrapping it up first. Doing that, the folder and it's contents should have scattered around, it's indicated later that it was picked up "as is."
When Frankie enters Clark Kent's apartment, the boom microphone shadow noticeably crosses over the upper right hand corner of the scene.