Son Leaves Bloody Clues Behind in Family’s Chilling Secret
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Quick Read
Summary
Takeaways
- ❖On November 10, 2023, Patricia Mattyjack and Shawn Harrison Senior were found murdered in their Florida RV park home, their throats cut.
- ❖Witnesses saw Patricia's son, Thomas Mattyjack, leaving the scene covered in blood; a knife was found in the sink under running water.
- ❖Thomas Mattyjack exhibited delusional behavior during interrogation, claiming to be the 'richest man in the world' and believing he was being 'set up.'
- ❖Six months prior, Thomas had been arrested for attacking his mother and her fiancé, leaving Patricia with a broken hip.
- ❖Despite being ruled incompetent to stand trial for the earlier assault and conditionally released to a group home with mandatory treatment, Thomas left the facility shortly after arriving.
- ❖Patricia's sister expressed profound fear of Thomas and criticized the justice system for repeatedly releasing him, leading to the double murder.
- ❖Thomas Mattyjack was found competent to stand trial for the double murder, found guilty by a judge in a bench trial, and sentenced to life in prison without parole.
Insights
1Systemic Failure in Managing a Dangerous Individual
Thomas Mattyjack, with a documented history of mental illness and violence, was repeatedly released by the justice system despite clear warning signs. He had previously attacked his mother and her fiancé, breaking her hip, and was deemed incompetent to stand trial. His conditional release to a group home with mandatory treatment was quickly violated when he absconded, directly preceding the double murder. This highlights a critical failure to protect the victims from a known threat.
Police records show Thomas was arrested 6 months earlier for attacking his mom and her fiance, leaving his mom with a broken hip (). A judge ruled Thomas incompetent to stand trial for these charges, granting conditional release to a group home with mandatory outpatient treatment and psychiatric medication. However, he left the group home shortly after arriving (). Patricia's sister stated, 'They swore they would not… he would not be released. They promised us.' ().
2Delusional Beliefs as a Motive for Violence
Thomas Mattyjack's severe delusions, including believing he was dating Katy Perry and that his mother and her fiancé had stolen billions from him, appear to have fueled his violent actions. These beliefs provided a distorted justification for his attacks, demonstrating how untreated or poorly managed mental illness can escalate to extreme violence.
Patricia's sister stated, 'He thinks he's dating Katy Perry. He really does. He left Michigan, drove to California, and laid on the beach waiting for Katy Perry to come see him.' (). She added, 'He thinks he has these billions of dollars that people are stealing from him. He's is extremely delusional and he thinks that Patty and Shawn has… he stole all their money and he wants his money back.' ().
3Victim and Family's Pre-existing Fear and Frustration
The victims and their family lived in constant fear of Thomas, anticipating a tragic outcome due to his violent history and the perceived inadequacy of the legal system. Patricia's sister actively monitored court records and expressed profound frustration with authorities for not keeping Thomas detained, underscoring the emotional toll and lack of trust in protective measures.
Patricia's sister stated, 'She's terrified of him all the time… she's scared to death.' (). She also mentioned, 'We're all terrified of him. We never know what's going to happen.' (). She added, 'They never even notified Patty that he was released. I was the one that was telling her. I was looking at the court records literally twice a day to see if he was coming or going.' ().
Lessons
- Advocate for more robust monitoring and enforcement mechanisms for individuals with severe mental illness released on conditional terms, especially those with a history of violence.
- Support reforms that allow for better communication between the courts, mental health facilities, and potential victims when dangerous individuals are released or abscond from treatment.
- Educate communities and law enforcement on recognizing the signs of escalating mental health crises and the specific dangers posed by individuals with delusional beliefs that involve perceived theft or betrayal by family members.
Quotes
"Two unconscious people bleeding out on the floor. Looks like they have been their throats have been cut."
"He's got they've got a restraining order. He's not even supposed to be here is what I know."
"He thinks he's dating Katy Perry. He really does. He left Michigan, drove to California, and laid on the beach waiting for Katy Perry to come see him."
"They never even notified Patty that he was released. I was the one that was telling her. I was looking at the court records literally twice a day to see if he was coming or going."
"You guys are looking at two people killed here because of the courts."
Q&A
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