Houston-based court hears oral arguments in A.J. Armstrong’s appeal of capital murder conviction – Houston Public Media

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A lawyer representing Antonio "A.J." Armstrong Jr. — who was convicted two years ago for the 2016 murder of his parents — argued in a Houston-based appeals court Wednesday that a complaint against an expert witness in the case should have been disclosed during the capital murder trial.

Speaking before a panel of three judges for Texas’ 14th Court of Appeals, attorney Patrick F. McCann argued that the state's failure to disclose a complaint filed against prosecutors’ expert witness could have affected the jury's ability to judge the expert's credibility. He is requesting a new trial for Armstrong, who was convicted of fatally shooting his parents, Antonio Armstrong Sr. and Dawn Armstrong, while they slept in their Bellaire-area home..

According to court documents, the expert