Bucks County man who 'violently shook' infant son sentenced to 15-30 years in prison

A Bucks County man could spend up to 30 years behind bars after prosecutors say he "violently shook" his 4-month-old son, causing his death.

Tyler Sullivan, 30, was arrested last May and pleaded guilty later that month to third-degree murder and endangering the welfare of a child.

Investigators say officers responded to a Bristol Borough home on May 24, 2023 for reports of a 4-month-old boy in cardiac arrest.

The infant, according to investigators, was not breathing when officers arrived and was taken to Lower Bucks Hospital where he died.

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Bucks County man pleads guilty to killing 4-month-old son who he 'violently shook'

A Bucks County man pleaded guilty to killing his 4-month-old son who investigators say he "violently shook" on several occasions.

Doctors noted several injuries on the child's body that were "indicative of a battered child," including contusions, bruising and abrasions. 

Investigators later concluded that Sullivan "violently shook" the infant at least twice on the day he died, and six times in the weeks prior.

The child's mother spoke at the sentencing hearing Tuesday, saying she was never able to go back to the apartment she shared with Sullivan and their child.

"My baby deserved to live a long, happy, wonderful life," she said.

Sullivan, according to prosecutors, expressed his remorse Tuesday in a tearful statement, admitting "how guilty and ashamed I am."