Man, 28, 'shakes girlfriend's 7-week-old daughter to death while high on prescription drugs'



Eric Thomas Trinchet, 28, grabbed the child after he got into a violent argument with her mother



Not biological father but had dated mother throughout her pregnancy

Baby Isabella died in hospital following brain injury and puncture wounds



A man was charged with aggravated manslaughter after he allegedly shook his girlfriend's baby to death.



Eric Thomas Trinchet, 28, was said to have killed the child while high on prescription drugs after he and his girlfriend got into a violent argument.



He had taken Tianna Irizarry and her seven-week-old daughter Isabella from their home in Tampa, Florida to visit family in Lakeland on April 27 when the attack took place, authorities said.



Defenseless: Isabella Irizarry, seven weeks, died after she sustained a brain injury from being shaken

Shaken: Baby Isabella was violently shaken following an argument between her mother and her partner

Police in Polk County were told by Trinchet that he shook the baby because she was crying and then returned her to her crib during the fight with Miss Irizarry.



Trinchet, who was known to police, said he knew what he had done to the child and slept for two days after the incident.

He turned himself in at 3am on Wednesday morning because of the 'guilt'.



The baby girl was taken to Lakeland Regional Medical Center on May 1 where she was discovered to have a brain injury, bruises on her left foot and ears and puncture wounds to the thigh.

High: Eric Thomas Trinchet, was accused of aggravated manslaughter of a child after he allegedly shook his girlfriend's baby to death in Florida

The baby was later moved to Tampa General Hospital because of the seriousness of her injuries where she later died.

Trinchet was not Isabella's biological father but had been dating Miss Irizarry throughout her pregnancy.



Grief: Tianna Irizarry's daughter Isabella died at Tampa General Hospital on Monday



