Detailed Instructions: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Problem:Los Angeles (CNN) -- Dr. Conrad Murray defended his appellate lawyer from "a slew of disparaging remarks" just days before she files the appeal of the doctor's involuntary manslaughter conviction in Michael Jackson's death. CNN has obtained sections of that 300-page appeal, including the defense argument that the trial judge erred by not allowing the testimony of Dr. Arnold Klein, a dermatologist the defense contended addicted Jackson to Demerol in his last weeks. Murray's appeal, which will be filed Monday, also argues that prosecutors never proved Jackson was hooked up to an IV drip of the drug that killed him. The defense theory was that Jackson had administered the fatal dosage himself while the doctor was away.Murray calls from jail citing "injustice" done to appeal lawyerAppeal lawyer Valerie Wass " took a personal hit for me," Murray tells CNNMurray witnessed Wass and trial lawyer Michael Flanagan argue at the jailWass will file Murray's appeal on Monday 
 Question:He may have had access to a bottle of propofol without _ knowing, the appeal says.
Solution:
Conrad Murray