Affirmed. See Christopher v. State, 489 So.2d 22 (Fla. 1986) (second post-conviction .motion fails to show defendant did not know or could not have known of facts supporting his claims at time of initial motion); Witt v. State, 465 So.2d 510 (Fla. 1985) (does not disclose justification for failure to raise issues in first motion).