A lawyer for a Houston man convicted of killing his parents in 2016 wants the conviction overturned or a chance to cast doubt on the key witness who revealed never-before-seen blood evidence in a bid for a fourth trial.
Antonio Armstrong Jr., 25, who is serving a life sentence for capital murder, was absent from the 14th Court of Appeals on Wednesday as criminal defense attorney Pat McCann argued on his behalf in the historic downtown courthouse. Before the attorney could start his 15 minutes of arguments, the justices cut him off and urged him to focus on an alleged evidentiary allegation and a potentially missed opportunity to mull a new trial years earlier.
The same request extended to the Harris County District Attorney’s Office…