What Constitutional Standards should be applied when a judge is tasked with determining the competency of a defendant with known physical and mental ailments, and what role should a "next friend" petition play in ensuring the defendants rights to due process and equal protection?

Under the Fourth Amendment's protection against unreasonable searches, and in light of Article 3's jurisdictional provisions, should a defendant be allowed to file a 2255 motion on behalf of their co-defendant, when the defendant was charged with the fruits obtained from an illegal search of the co-defendant's apartment?

What Constitutional Standards should be applied when a judge is tasked with determining the competency of a defendant with known physical and mental ailments, and what role should a 'next friend' petition play in ensuring the defendants rights to due-process, equal-protection