Does defense counsel's failure to investigate and present available affirmative evidence of mental disease or defect constitute ineffective assistance of counsel under Strickland v. Washington?

questions presented are: 1) Does defense counsel in a second degree depraved indifference murder case vidlate the requirements of Strickland v. Washington by failing to investigate and present available affirmative evidence that could have convinced a jury to vote not guilty by mental disease or defect, as this Court concluded in Wiggins v. Smith and Courts of Appeals have concluded or is defense counsel's decision . not to investigate such evidence "strategic" as the state ‘“upreme court held? 2) Whether the denial of Taylor's post-conviction relief was contrary to, or involved an unreasonable application of, clearly established federal law," as. determined by the Supreme Court of the United States, within the meaning of 28 UsS.C. §2254(d) (1)? ; ;