Jodi Arias trial update today hln: Jodi Arias, who was convicted of murdering her ex-boyfriend, Travis Alexander, says her former cellmate was lying when she said Arias threatened to have the prosecutor's throat cut.

Jodi Arias' cellmate claims that the convicted murderer said she wanted to give the prosecutor a "Mafia Bowtie," slang for cutting his throat. Jodi Arias was convicted of cutting the throat of Travis Alexander. Jodi Arias says her former cellmate's claims are lies.

Jodi Arias regularly posts to Twitter even though she is locked up in the Estrella jail in Maricopa County. Jodi Arias responded to her cellmate Cassandra Collins's claims that she made during her interview with Troy Hayden at FOX 10.

Arias tweeted "Really, @troyhaydenfox10 ??? A woman who was found by the court to be incompetent to stand trial?"

In the interview Collins claimed that Arias threatened Juan Martinez before she was convicted of first-degree murder. Talking about Arias, Collins said "She said that if she was given the death sentence ... she wanted to get her revenge... she knows inmates on the outs to do a mafia bow tie.. yeah. Cut his throat."

Arias responded "You conveniently failed to mention that - way to mislead your viewers."

Collins also said Arias was deluded about the prosecutor. She said "She asked me questions like why doesn't Juan Martinez love me? And I'm like, love you? He's your prosecutor.. he's there to prosecute you for a crime.. and I'm like why doesn't he love you?"

Collins asserted that she wasn't joking and that she was concerned with Martinez' safety. She said "Yeah.. she was serious.. why doesn't Juan Martinez love me? She's out of her freakin' mind. He need to get good security staff around him to make sure she can't get anybody on the outs to solicit something.. to harm him or to hurt him... She's very dangerous.. very dangerous."

Collins went on to say that Arias tried to "manipulate" other inmates into believing her side of the story. Collins said all the cellmates had signs reading, "Jodi is innocent" and "Free Jodi" when she visited her jail area in January.

The Maricopa County Attorney's Office told said it was looking into Arias' cellmate's claims.