Rachel Buffett (Courtesy of the Buffett family / November 29, 2012)

Couple on stage

Later that night, Wozniak played Guido in a Fullerton theater's production of "Nine" opposite Buffett's performance as his mistress, said the production's stage manager Kara Kessener.

"The day of the first murder, he actually arrived early," Kessener said, adding that she thought that was unusual for the sometimes tardy actor.

After the play, Buffett said she and Wozniak returned to their apartment in Camden Martinique on Pinecreek Drive near Orange Coast College to unwind.

She remembered browsing Facebook, using the social network to write her new friend, Juri "Julie" Kibuishi, who had been tutoring Herr, while Wozniak used the phone.

Wozniak suggested a movie. They put in "Men in Black." Wozniak, Buffett recalled, gave her a massage, and she dozed off on the couch.

Wozniak, she said, then turned on the shower and closed the door to the bedroom adjacent to the bathroom, slipping out of the apartment's sliding glass doors.

Buffett said she partially recalled some of these events. Her memory was assisted, she said, when Wozniak called her after his arrest and discussed the events after telling her he had confessed the murders to police.

Police and prosecutors allege that Wozniak went to Herr's apartment early on May 22, 2010. They also allege that he sent text messages to Kibuishi from Herr's phone.

In the messages, police have said, Wozniak, posing as Herr, urged her to come to the apartment. Kibuishi left her home in Irvine and went to his apartment.

Wozniak, who also knew Kibuishi, allegedly distracted her at Herr's apartment before shooting her and staging her body to appear as though Herr had sexually assaulted her, according to court records.

Buffett said she told Wozniak that she never heard the gunshot. She said she asked him how this was possible and he replied, "I got lucky."

Buffett said she slept through the episode. Wozniak woke her when he returned and said she should wash off her stage makeup. The two took a shower together, she said.

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'I was in complete denial'

Prosecutors assert Wozniak went back to the military base on May 22, 2010, to dismember and decapitate Herr's body, later hiding body parts in a Long Beach park not far from Los Alamitos' city limits.

Kessener, the friend from the playhouse, saw the couple the next night when they gathered to watch "Lost." She sat next to Wozniak.

"It kind of brings chills," Kessener said. "They seemed completely normal. That's what made it so creepy."

A few days later, Wozniak went to his bachelor party at a restaurant in Huntington Beach. Police arrived at the party and arrested him.

Buffett said she had a hard time believing the man she was to marry was guilty. She visited him in jail.