What does Elvis' friend in the coroner office tell him about James Lester's death?

Cole's friend says that when James Lester fell through the glass shower door, he was alive. There were no signs that he was hit or that there was a physical altercation. Cole's friend does tell Elvis that they did find one strange thing in the autopsy. He tells him that they found bruising on Lester's neck indicating a coughing fit or the possibility that Lester vomited. Elvis asks if he could have been strangled and the coroner says that is a possibility.