When receiving a thousand dollars in an envelope, to find and kill Robb Lowe, something falls out of the envelope and neither the giver or the taker notices it, or tries to pick it up.
When Ofc. Yaskin (Terrence 'T.C.' Carson I) is looking through the binoculars in the car, he is looking through the wrong end. You can tell by the rubber eye pieces and how small the openings are on the side you can see.