The dense snow and blizzard-like conditions outside the Massachusetts home are gone. But the mystery of who may have killed Boston Police Officer John O’Keefe on a frigid night in Canton lingers as jurors visited the house near where his body was found.

Karen Read pleaded not guilty to murder charges in the death of Boston police officer John O’Keefe and is facing a retrial after a jury was unable to reach a verdict last year.

The Karen Read trial continued in Massachusetts Friday with the jury making a visit to the crime scene at 34 Fairview Road in Canton before hearing more witness testimony.Jurors were bused over to the former home of Brian Albert,