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BOYFRIEND GETS LIFE TERM

He committed "absolutely horrible acts," a judge says after the murder conviction.

About 30 friends and family members of Samantha MacQuilliam's came to court wearing purple, her favorite color, as they waited to see whether Matthew Dieterle would be convicted of murdering her.

They hugged and broke into tears on Friday after the jury pronounced him guilty, and Pinellas-Pasco Circuit Judge Philip Federico sentenced him to life in prison without parole.

Federico commented on the "overwhelming physical evidence in the case" against Dieterle, who was portrayed as a jealous boyfriend who savagely attacked the 23-year-old MacQuilliam in a home near Lake Tarpon that they shared with two roommates. Federico referred to the "absolutely horrible acts against this young lady. It just is totally unconscionable."

Federico also said the evidence that Dieterle tried to cover his tracks and throw suspicion to others destroyed any possibility of an insanity defense, which defense attorneys had previously discussed.

"I'm relieved," said MacQuilliam's mother, Sue Modica, who came to the trial from Maryland along with several others. "It's been a long time coming." The verdict, she said, was "basically just an affirmation of what we already knew."

Dieterle killed MacQuilliam "when he beat her, when he strangled her, when he slit her throat, when he stabbed her multiple times," Assistant State Attorney Kelly McKnight told the jury.

Dieterle and MacQuilliam were both from Maryland, and moved to Florida when she enrolled at the University of Tampa, where she was studying to become a pediatric nurse.

In May 2007, Dieterle beat MacQuilliam when he believed she had cheated on him, prosecutors said. They broke up. But Dieterle was desperate to get back together with her, even calling her mother and asking how to find her.

Dieterle's mother urged him to move on. Instead, the two got back together in the house near Lake Tarpon.

But then in late July he again suspected she was cheating. On Aug. 1 he called polygraph examiners from his cell phone, apparently to see if she would take a lie detector test to prove herself.

But later that day, prosecutors said, Dieterle killed her. She was found by a roommate in the bathtub.

The evidence that Dieterle killed her was overwhelming, Assistant State Attorney Michael Marr told jurors.

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