Thus, the statute provides the framework and authority for the trial court to halt proceedings, but it does not mandate a halt unless the trial court finds reasonable suspicion to question the defendant's fitness. Competency to stand trial turns on whether an accused has sufficient present ability to consult with his attorney with a reasonable degree of rational understanding, and if he has a rational and factual understanding of the proceedings against him. Ring v. State, 2014 Ark. App. 169, 2014 WL 988940. A defendant in a criminal case is ordinarily presumed to be mentally competent to stand trial.