AIDE DENIES CRATER DESTROYED PAPERS; HUNT IS PRESSED; "Confidential Court Officer" Also Asserts Justice Did Not Exact Secrecy Pledge. CASE MYSTIFIES POLICE Roosevelt Says He Cannot Aid Search--Detective Tells of Unofficial Inquiry.
J L Mara, his aide, denies he destroyed papers before disappearance; Penney admits he would like to question him; O F Ewald's atty denies he was friend of ex-Magistrate