The Boston Celtics responded by expressing sadness about the "vicious attack on Reggie Lewis and his family" and threatening "to file a $100 million lawsuit against the reporter, "The Wall Street Journal" and its parent company, Dow Jones and Co. Inc." Dr. Gilbert Mudge, a doctor who treated Lewis, was sued for malpractice in connection with Lewis' death; in written responses to questions from the attorneys for Donna Harris-Lewis, Mudge said that "16 days before Lewis collapsed from a heart attack in 1993, he acknowledged having used cocaine, but said he had stopped." On the other hand, the doctor who performed the autopsy on Lewis testified that the scarring on his heart was inconsistent with cocaine use, and other doctors reached the same conclusion though they "stopped short of saying he never used drugs." Also, Lewis's heart tissue tested positive for adenovirus during his autopsy.