By . Daily Mail Reporter and Associated Press . PUBLISHED: . 03:28 EST, 11 April 2013 . | . UPDATED: . 11:10 EST, 11 April 2013 . Jodi Arias is tweeting criticism of her murder trial's prosecutor from behind bars, it was claimed today. Fox News reports that Arias, who has admitted to killing her boyfriend Travis Alexander in 2008, appears to be tweeting criticism about Juan Martinez. The account is managed by Arias' friend, Donavan Bering, who updates the account with messages from Arias after speaking to the accused killer on the phone, Fox reported. Social: Jodi Arias (left) is accused of mocking prosecutor Juan Martinez (right) over his height . Martinez has attempted to portray Arias as a manipulative liar and the two have had stormy encounters in court. At . one point the prosecutor shouted and jabbed his finger at her when she . claimed to be unable to remember key details of the killing. 'Hmm... Anger Management problems anyone?,' reads one of the tweets on the account. Another . reads, 'Those afflicted with Little Man's Syndrome taint society's . perception of genuinely good men who happen to be vertically . challenged.' On Wednesday . night, Bering reportedly posted a link to Arias' personal website, where . she is selling and holding auctions for artwork. Arias says the killing was self-defense, and that on the day of Travis Alexander's death in June 2008 at his suburban Phoenix home, he attacked her and she was forced to fight for her life. However, no other evidence — other than Arias' accounts — has been presented at trial showing Alexander had ever been physically violent. Authorities say Arias planned the attack. She initially denied involvement then blamed it on masked intruders. Two years after her arrest, she said it was self-defense. She faces a possible death sentence if convicted of first-degree murder. A Maricopa County Sheriff's Office spokesman told MyFoxPhoenix.com they are aware of the activity on the Twitter account but are unable to do anything about it. Arias (left) and prosecutor Juan Martinez (foreground). The trial has gripped the U.S., especially the charged nature of the proceedings . A selecton of tweets from Arias' account. Her friend Donavan Bering is believed to be updating on her behalf . Snapped: Prosecutor Juan Martinez has been aggressive throughout the . trial, but at one point he screamed at Arias when talking . about the timing that she claims is the truth . Arias is facing the death penalty if convicted of first-degree murder of Travis Alexander. The trial began in January and has . become a cable TV and tabloid sensation with tales of sex, betrayal, . religion and a bloody killing, attracting a following of thousands who . can watch it streamed live via the web. Authorities . say Arias planned the attack on her lover in a jealous rage, slitting . his throat from ear to ear, shooting and stabbing him in the shower. During 18 days . on the witness stand, Arias described an abusive childhood, including . her father belittling her mother, cheating boyfriends, dead-end jobs, a . shocking sexual relationship with Alexander, and her contention that he . had grown physically violent in the months leading to his death. Polarisng figure: The prosecutor's ferocious approach has left some trial watchers questioning where it helped or hurt his chances of conviction, while others praised him for his tenacity . Arias says her boyfriend attacked her and she was forced to fight for her life . Public spectacle: The sensational nature of the Jodi Arias case involving gruesome murders details, sexually explicit phone calls and tales of betrayal, is drawing viewers from across the nation . However, . there has been no testimony, other than Arias', and no evidence at . trial to corroborate the defendant's claims that Alexander had ever been . physically violent in the past. Alexander . suffered nearly 30 knife wounds, was shot in the head and had his . throat slit. Arias' palm print was found in blood at the scene, along . with her hair and nude photos of her and the victim from the day of the . killing. Arias said she . recalls Alexander attacking her in a fury after a day of sex. She said . she ran into his closet to retrieve a gun he kept on a shelf and fired . in self-defense but has no memory of stabbing him. She . acknowledged trying to clean the scene, dumping the gun in the desert . and working on an alibi to avoid suspicion. She said she was too scared . and ashamed to tell the truth at the time but insists she isn't lying . now. Doomed: Jodi Arias, 32, is on trial for the murder of on-off boyfriend Travis Alexander whom prosecutors say she killed in a jealous rage while she claims self-defense . Sorry we are unable to accept comments for legal reasons.
Reports say she passes messages to a friend, who then updates account .
Her tweets appear to criticise fiery prosecutor Juan Martinez .
'Anger management problems anyone?', said one .
Arias is facing murder charges over the death of her boyfriend .
Police say they cannot do anything about the tweets .
By . Daily Mail Reporter and Associated Press . PUBLISHED: . 03:28 EST, 11 April 2013 . | . UPDATED: . 11:10 EST, 11 April 2013 . Jodi Arias is tweeting criticism of her murder trial's prosecutor from behind bars, it was claimed today. Fox News reports that Arias, who has admitted to killing her boyfriend Travis Alexander in 2008, appears to be tweeting criticism about Juan Martinez. The account is managed by Arias' friend, Donavan Bering, who updates the account with messages from Arias after speaking to the accused killer on the phone, Fox reported. Social: Jodi Arias (left) is accused of mocking prosecutor Juan Martinez (right) over his height . Martinez has attempted to portray Arias as a manipulative liar and the two have had stormy encounters in court. At . one point the prosecutor shouted and jabbed his finger at her when she . claimed to be unable to remember key details of the killing. 'Hmm... Anger Management problems anyone?,' reads one of the tweets on the account. Another . reads, 'Those afflicted with Little Man's Syndrome taint society's . perception of genuinely good men who happen to be vertically . challenged.' On Wednesday . night, Bering reportedly posted a link to Arias' personal website, where . she is selling and holding auctions for artwork. Arias says the killing was self-defense, and that on the day of Travis Alexander's death in June 2008 at his suburban Phoenix home, he attacked her and she was forced to fight for her life. However, no other evidence — other than Arias' accounts — has been presented at trial showing Alexander had ever been physically violent. Authorities say Arias planned the attack. She initially denied involvement then blamed it on masked intruders. Two years after her arrest, she said it was self-defense. She faces a possible death sentence if convicted of first-degree murder. A Maricopa County Sheriff's Office spokesman told MyFoxPhoenix.com they are aware of the activity on the Twitter account but are unable to do anything about it. Arias (left) and prosecutor Juan Martinez (foreground). The trial has gripped the U.S., especially the charged nature of the proceedings . A selecton of tweets from Arias' account. Her friend Donavan Bering is believed to be updating on her behalf . Snapped: Prosecutor Juan Martinez has been aggressive throughout the . trial, but at one point he screamed at Arias when talking . about the timing that she claims is the truth . Arias is facing the death penalty if convicted of first-degree murder of Travis Alexander. The trial began in January and has . become a cable TV and tabloid sensation with tales of sex, betrayal, . religion and a bloody killing, attracting a following of thousands who . can watch it streamed live via the web. Authorities . say Arias planned the attack on her lover in a jealous rage, slitting . his throat from ear to ear, shooting and stabbing him in the shower. During 18 days . on the witness stand, Arias described an abusive childhood, including . her father belittling her mother, cheating boyfriends, dead-end jobs, a . shocking sexual relationship with Alexander, and her contention that he . had grown physically violent in the months leading to his death. Polarisng figure: The prosecutor's ferocious approach has left some trial watchers questioning where it helped or hurt his chances of conviction, while others praised him for his tenacity . Arias says her boyfriend attacked her and she was forced to fight for her life . Public spectacle: The sensational nature of the Jodi Arias case involving gruesome murders details, sexually explicit phone calls and tales of betrayal, is drawing viewers from across the nation . However, . there has been no testimony, other than Arias', and no evidence at . trial to corroborate the defendant's claims that Alexander had ever been . physically violent in the past. Alexander . suffered nearly 30 knife wounds, was shot in the head and had his . throat slit. Arias' palm print was found in blood at the scene, along . with her hair and nude photos of her and the victim from the day of the . killing. Arias said she . recalls Alexander attacking her in a fury after a day of sex. She said . she ran into his closet to retrieve a gun he kept on a shelf and fired . in self-defense but has no memory of stabbing him. She . acknowledged trying to clean the scene, dumping the gun in the desert . and working on an alibi to avoid suspicion. She said she was too scared . and ashamed to tell the truth at the time but insists she isn't lying . now. Doomed: Jodi Arias, 32, is on trial for the murder of on-off boyfriend Travis Alexander whom prosecutors say she killed in a jealous rage while she claims self-defense . Sorry we are unable to accept comments for legal reasons.
admitted to killing her boyfriend Travis updates the account with messages from Arias accused of mocking prosecutor Juan Martinez Anger Management problems anyone?,' reads one of the tweets on the account. Another . reads, anything about it. Arias (left) and prosecutor account. Her friend Donavan Bering is believed to is the truth . Arias is facing the death penalty prosecutors say she killed in a jealous rage