What makes a defendant incompetent to stand trial in Texas?

Question

Accepted Answer

This question has been addressed in 2 Texas court opinion(s), including Ex Parte Robert Brimmer. A party seeking to set aside a settlement based on a lack of capacity face a high hurdle; legal incompetence requires a functional inability to understand the proceedings rather than just a mental health diagnosis or 'distorted thinking.' Practitioners can 'competency-proof' agreements by securing contemporaneous affirmations of understanding from all parties and counsel at the time of execution.

Competency Standards

What makes a defendant incompetent to stand trial in Texas?