Crabtree , who minored in biomedical engineering at Texas Tech , went to work on a Lysergic Quinine Protein derivative ( LQP - 79 ) injection .
San Francisco 49ers wide receiver , Michael Crabtree was planning a payback .
Michael Crabtree , who minored in biomedical engineering at Texas Tech , went to work on a Lysergic Quinine Protein derivative ( LQP - 79 ) injection .
San Francisco 49ers wide receiver , Michael Crabtree was planning a payback .