Closing Arguments Coming in Randone Trial

Closing arguments are expected to begin Tuesday afternoon in the trial of Brian Lee Randone, who is for allegedly beating and smothering his girlfriend to death in Monrovia in 2009.

Randone's attorneys rested their case Monday, and prosecutor Philip Wojdak has only one rebuttal witness left to testify. The trial, which began on Nov. 17, has .

A medical examiner , and the homicide detective who investigated the case .

Randone's attorneys called a substance abuse expert to the stand . A high level of GHB, commonly known as a date rape drug, was found in Lee's body at the time of her death.