Yes, in several ways. A person can die from using cocaine, which affects many organs in the body. Cause of death can be from a Cocaine induced fatal heart rhythm, from choking to death after a Cocaine induced seizure, etc..., not to mention the possibility of being shot dead while being robbed of one's Cocaine or Cocaine money.
Cocaine. Yes - in more ways than you can imagine.
Yes, definitely. Yes, it can kill you.