The murder trial for a woman accused of killing a Brevard County nurse continued this afternoon with the defendant's estranged husband -- a former Indialantic mayor -- taking the stand.

Four years after his wife Shelia Graham Trott was accused of murdering Kelly Brennan -- the former mayor's then current girlfriend.

It was clear Daniel Trott was not comfortable on the stand --

Especially as the defense cross examined him about his relationship with his estranged wife -- and when details emerged of Brennan's husband finding out about their affair.

Prosecutor: Do you remember the specifics of that day?

Daniel Trott: I've been spending nearly the last five years trying to forget, but yes.

Daniel Trott took the stand, answering questions about the night he returned from working out of town, and not being able to get in touch with Kelly Brennan the night of February 15, 2010.

This despite multiple texts and calls.

Trott was supposed to meet her at a local gym where she had a training session.

But she never showed.

The defendant, Shelia Graham Trott, was in the midst of a divorce from her husband of 20 years, and former Indialantic mayor who was seeing the victim, Kelly Brennan.

Brennan and her husband knew Daniel Trott through a local bicycle riding group.

That's when Trott was questioned about the budding relationship with Kelly -- and eventually her husband found out and confronted them at Daniel Trott's apartment.

"He physically broke through the door and assaulted me, yes," Trott said during testimony.

Earlier in the day prosecutors laid out a timeline of the crime -- saying Shelia Trott went to Brennan's Indialantic home the night of February 15, and brutally beat her with an object in the yard, then dumped her body near a beach access known as Mark's Landing in south Melbourne Beach.

Prosecutors say she came back home afterward and was acting strangely in front of her children, so much so they called 911 thinking she was having a seizure.

"The defendant began saying that she had a dream that she may have hurt Kelly. And that it happened at Mark's Landing," prosecutor Jim McMaster told the jury during opening statements.

Brevard County Sheriff's Office investigators later found Brennan's body at the beach access.

Several witnesses also testified they tried repeatedly to get in touch with Brennan that night to no avail before she was officially reported missing.

Prosecutors estimate their case will last through the middle of next week -- then the defense will be up to present their case.