*261Order

Travis Blackmon argues that the trial court erred in overruling his Rule 29.15 motion because his trial counsel was ineffective for not adequately cross-examining the alleged victim to show that she was lying about the facts and circumstances of the charged incident. The extent of cross-examination is a matter of trial strategy and Blackmon was not prejudiced. The judgment of the motion court is affirmed. Rule 84.16(b).