Complex sentence: Meanwhile, somebody has been snitching and busting Clean Up's drug mules and he comes to the conclusion that Avery is the snitch (which is not true) but he assumes anyway and wants Cashmere to take care of him.
Split into simpler sentences: Meanwhile, somebody has been snitching and busting Clean Up's drug mules and he comes to the conclusion that Avery is the snitch. This is not true, but he assumes anyway and wants Cashmere to take care of him.