SAN DIEGO -- David Westerfield apparently failed a polygraph test administered two days after Danielle van Dam disappeared, according to audio tapes made public Wednesday.

WESTERFIELD TRIAL Judge William Mudd Issues Death Penalty Sentence Hear Jury's Death Penalty Recommendation Watch The Jury's Verdict Being Read Share Your Thoughts DANIELLE VAN DAM 1994-2002 Watch Danielle Video Montage E-mail: daniellevandam @yahoo.com Send mail to: P.O. Box 501515 San Diego, 92150

The tapes' release comes a day after police released a 42-minute videotape, recorded on Feb. 5 at police headquarters, in which Westerfield hinted at thoughts of suicide.

The audio tapes feature San Diego police Interrogation Specialist Paul Redden interviewing Westerfield on Feb. 4, after the suspect returned from a weekend of driving his motor home between the Silver Strand in Coronado and the Imperial County desert area of Glamis.

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Police Suspected Westerfield Very Early On

"Regarding the disappearance of Danielle van Dam, are you yourself in any way responsible for her missing?" Redden asked pointedly.

"No," Westerfield said.

"Regarding the disappearance of Danielle van Dam, do you know for sure who is responsible for her missing?" Redden asked.

"No," Westerfield responded.

"Regarding the disappearance of Danielle van Dam, do you know her whereabouts at this time?" Redden asked.

"No," Westerfield said.

"Regarding the disappearance of Danielle van Dam, do you suspect anyone in particular of being responsible for her missing?" Redden asked.

"No," said Westerfield.

"Regarding whether or not you yourself are involved in the disappearance of Danielle van Dam, did you intend to answer truthfully each question about that?" Redden asked.

"Yes," Westerfield said.

On the tapes, officers remark that there "was a 100 percent probability of deception" by Westerfield regarding the questions about the missing child.

A 40-minute segment of a Redden interview with Westerfield was played during his trial. In it, Westerfield described the trip he took the weekend Danielle disappeared, beginning the morning of Feb. 2 and ending two days later.

At a hearing Monday, Judge William Mudd ordered the nine hours of audio tapes and a videotape released to the public.

The videotape -- which was not introduced at trial -- shows two detectives on Feb. 5 pleading with Westerfield to tell them where Danielle's body is.

Westerfield told the detectives, "My life is over," and asks one of the officers to leave his gun behind while he leaves an interview room.

A search volunteer found the child's nude and decomposed body under a tree near Dehesa on Feb. 27.