The sound of the air conditioning and fans inside Norfolk Superior Court in Dedham have been an issue throughout both of Read's trials. Often during the first trial, when witnesses were testifying, their words could not be heard clearly in the courtroom because of the sound coming from the units, so Cannone ordered them to be turned off.

I am assured not only are we on schedule, we are ahead of schedule,” Judge Beverly Cannone told jurors in the Karen Read retrial.

Karen Read's defense began to take shape this week. Here's what you need to know from the seventh week of her retrial.