1-1 10,TJ 1 WP AArc rr-A AAM t I-A I I v momm riday, .tune i r, t e v I ml Ml;-rllU^N U^JTty Page t hree VA witness' mental state questioned By KEITH B. RICHBURG Special To The Daiy DETROIT - For m o r e than two hours yesterday, Federal Prosecutor Richard Yanko grill- ed former Veterans Administra- tion (VA) patient W il li a m Loesch in an effort to prove that Loesch was mentally incapable of accurately recalling the event of his own breathing failure. Loesch, in turn, allaged that the FBI had gone through his pri- vileged psychiatric record. t.,oesch, who suffered a respir- atory failure on August 15, 1975, claims to have seen a myster- tius stranger in a green scrub suit standing over him seconds before he stopped breathing. If Loesch is correct, his testimony would virtually destroy the gov- ernment's case of circumstantial evidence against two Filipino nurses, Filipina Narciso and Leonora Perez, who stand ae- cttsed of poisoning him, Y A N K O questioned Loesch about the former patient's pre- vious statements to the FBI, and the prosecutor was quick to point out even the slightest discrepancy. Yanko also read large portions of Loesch's grand jury testimony, and led the wit- ness to remark several times, "'You're confusing me. ILoesch, a Vietnam veteran, had been admitted to the VA Hospital for a self-inflicted gun- shot wound. tie had been treat- ed as an out-patient at the hos- pital for mental depression. This background iiformation led Yanko to ask at one point, "Isn't it a fact that your mental state at the time of these events made it difficult for you to re- member these events." The wit- ness replied, "I don't under- s