Autistic teen charged in grandmother's death

Police say suspect also assaulted mother & sister

Arnold, Md. - You could call it the trigger that turned the home on Taylor Avenue in Arnold into a crime scene back in October.
    
That's when 19-year old Joel Johnson-Liphart's mother asked him to clean up a mess inside the house.

"He was upset,” said Lt. Ryan Frashure of the Anne Arundel County Police Department, “His family members tried to calm him down, and during that process, he assaulted his mother, his sister and his grandmother."
    
Joel's grandmother, 72-year old Dorothea Hoagland, who was already in poor health, suffered an injury to her face.

"Several days later, the grandmother was still at Shock Trauma,” said Frashure, “She ended up dying.  The medical examiner did an investigation and the medical examiner ruled that she did, indeed... her death was caused by the fall of the assault of her grandson."
    
A longtime neighbor, Marga Tucker, sheds light on a case, which appears to be absent of any criminal intent.

"That was definitely a shock,” said Tucker, “I was not aware of any conflict between he and his grandmother.  I was aware he had autism and had been diagnosed as a very young boy."
    
A young boy that grew into a challenged 19-year-old that now faces the greatest challenge of his life.

"You sometimes do hear about aggression as part of an autism spectrum disorder.  That typically is in response to a situation," said Rebecca Rienzi, the executive Director of Pathfinders for Autism, who adds she hopes Joel’s case doesn’t give people the wrong idea about those diagnosed with autism who are 10 times more likely to be victims of crimes, "There are no risk factors at all with a diagnosis of autism for someone to be violent towards another person.  Absolutely, no connection.  There's no research that indicates that.  No evidence at all that shows any propensity for violence."
    
It is a point not lost upon Marga Tucker who knew of Dorothea Hoagland's love for her grandson and doubts she would have wanted to see him punished.

"No, she would not want any legal repercussions against him,” said Tucker, “She would definitely want him to have help and would not feel that he was responsible for her death."

Joel faces a series of charges including involuntary manslaughter, assault and reckless endangerment.
    
A judge's order sent him to Sheppard Pratt shortly after the incident and he remains there today.

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