A "CANNIBAL killer" accused of killing his girlfriend and eating her lungs, heart and brain has been declared unfit to stand trial.

Joseph Oberhansley, 36, allegedly slaughtered Tammy Jo Blanton after breaking into her home and used an electric saw to open her skull.

4 Joseph Oberhansley is accused of killing his girlfriend and eating her organs Credit: mydrim.jones@gmail.com

He then allegedly ate part of the 46-year-old's brain before tucking into her heart and lungs.

Oberhansley is charged with murder, rape and burglary at Tammy Jo’s home in Jeffersonville, Indiana, in September 2014.

He is also accused of dismembering and consuming parts of her body and could face the death sentence if convicted.

But a judge has ruled Oberhansley is unfit to stand trial after hearing from three doctors who examined him.

4 Oberhansley is charged with murder, rape and abuse of a corpse in the September 2014 death of Tammy Jo Blanton Credit: mydrim.jones@gmail.com

4 Oberhansley 'broke into her home, stabbed her to death with a knife and then used an electric jigsaw to open her skull and eat parts of her brain Credit: mydrim.jones@gmail.com

“He is suspicious, paranoid, uncommunicative, and agitated,” they wrote, adding there was a “complete breakdown” in communication between them and Oberhansley.

The alleged cannibal has confessed to the grisly crimes - including “cooking a section of her brain and eating it" - police said after his arrest.

But he has since repeatedly denied the charges and told a judge he wanted to sack his lawyers, who in turn said Oberhansley was not competent enough to understand proceedings.

The case has been dogged by delays but prosecutors are still hopeful it will go to trial.

4 A judge says he's not competent to stand trial Credit: mydrim.jones@gmail.com

Clark County prosecutor Jeremy Mull told the Courier-Journal: "I had hoped that it would be tried before now. But my main priority is getting a verdict that is going to stand, that is going to survive appeal."

Tragic Tammy Jo was discovered with parts of her skull removed under a tent draped over her bath.

Cops also found a “plate with what appeared to be skull bone and blood” on it and a pair of tongs with blood on them in the bin.

An autopsy revealed she died from multiple stab wounds and parts of her heart, lungs and brain were missing.

At the time of the murder, Oberhansley was free on parole for fatally gunning down his girlfriend Sabrina Elder, 17, in a drug-fuelled jealous rage in 1998.

He also shot his mum in the back and fired at his sister before tucking the weapon under his chin and pulling the trigger to give himself a “partial lobotomy.”

MOST READ IN NEWS HAPPY MEAL McDonald’s worker pays customer’s bill after he calls mum to ask for her order STORE TOT SNATCH Family's horror as 'kidnap gang try to rip girl, 1, from pram' in TK Maxx NEVER FORGET PM & celebs backs The Sun's campaign to save the Poppy Appeal from coronavirus Exclusive HAPPY MEAL McDonald’s worker who paid for lad’s meal has secretly bought food for MONTHS Exclusive PIERS PRESSURE Couple wiped out village's internet for 18 MONTHS to watch Piers on £30 TV DOMINANT STRAIN New Covid mutation is 'more contagious & could adapt to get round masks'

We pay for your stories! Do you have a story for The Sun Online news team? Email us at tips@the-sun.co.uk or call 0207 782 4368 . We pay for videos too. Click here to upload yours.