By Louise Boyle and Meghan Keneally PUBLISHED: 17:58 EST, 25 February 2013 | UPDATED: 19:49 EST, 25 February 2013 Comments (8) Share DM.has('shareLink', 'shareLinks', { 'id': '2284336', 'title': 'Jodi Arias \'sent coded messages to her friend while she was in prison telling him to change his testimony before an interview because he contradicted her story\' of how she killed her ex boyfriend Travis Alexander', 'url': 'http://www.dailymail.co.uk/news/article-2284336/Jodi-Arias-murder-trial-She-sent-coded-messages-friend-saying-contradicted-story-killed-ex-boyfriend-Travis-Alexander.html', 'eTwitterStatus': 'Jodi%20Arias%20murder%20trial:%20She%20\'sent%20coded%20messages%20to%20her%20friend%20saying%20he%20contradicted%20her%20story\'...%20http:\/\/bit.ly\/XXcjsi%20via%20@MailOnline' }); New evidence in the Jodi Arias trial shows that she may have been trying to influence the testimony of her friend by slipping out coded messages while she was in jail for her ex-boyfriend's murder.
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Tried to pass messages along to her friend and former flame Matt McCartney after he 'f***** up' by telling investigators a statement that contradicted her claims
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Prosecutor Juan Martinez asked why Arias posted Travis Alexander's siblings an 18-page letter following his death saying that they 'deserved to know' who killed him, but didn't say that she was the one who killed him
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During cross-examination in the Phoenix courtroom, Martinez asks: 'Can you imagine how much it must have hurt Mr Alexander when you stuck that knife right into his chest?'
Her trust and the veracity of @placeholder's knowledge was brought up again when the trial picked back up on Monday.