Here’s a look at a timeline of the entire case, from the key 6-hour period surrounding O’Keefe’s death and the ensuing legal battle over who is responsible.

Shannon Burgess, a digital forensics expert for the prosecution, testified that he has written a new report challenging the accepted timeline of what happened in John O’Keefe’s final seconds.

KAREN REED IS CHARGED WITH SECOND DEGREE MURDER ... included the prosecution's alleged timeline of Read and O'Keefe's movements on the night of his death. It also summarized some of the early ...

DOUG, WE’RE EXPECTING KAREN REED TO APPEAR HERE AT NORFOLK SUPERIOR ... Those records, now public, reveal a detailed timeline of what the prosecution believes happened before and after the ...

A prosecution expert testified Monday in the Karen Read retrial that Read's SUV was backing up at the same moment her boyfriend, Boston police officer John O'Keefe, last used his cellphone.

Karen Read's defense attorneys cross-examine key accident expert Judson Welcher in a dizzying day of testimony.