Defense attorneys for Karen Read rested their case Wednesday, bringing her retrial for the death of her Boston police officer boyfriend one step closer to its blockbuster conclusion.

A Massachusetts jury has begun deliberating in Karen Read's second murder trial over the killing of her police officer boyfriend.

Karen Read's defense rested its case after a biomechanical engineer told jurors John O'Keefe's injuries were inconsistent with a car crash.

CNN highlights about a dozen witnesses called over the last eight weeks, whose testimony illuminated key pieces of the theories presented by prosecutors and Read’s defense.

A broken taillight. A dead cop. A bombshell admission. The jury is now deliberating over whether Karen Read killed John O'Keefe.

Before her second trial even began, accused murderer Karen Read owned her attorneys more than $5 million in deferred fees.

After nearly two months of testimony, Karen Read’s retrial for the murder of her boyfriend John O’Keefe is in its final days. The defense has now rested its case, without Read taking the stand. NBC News’ Emilie Ikeda reports.