SAN DIEGO -- A judge is hearing more testimony Tuesday in the second day of the preliminary hearing of the Danielle van Dam murder case.

DANIELLE VAN DAM 1994-2002 Watch Danielle Video Montage DONATIONS The Danielle van Dam Family Trust Mail donations to: Community Bible Church 9919 Carroll Center Road San Diego, 92126 MEMORIAL SERVICE Public Service at La Jolla Shores March 16, 10 a.m. Shuttle bus available at Torrey Pines Glider Port DISCUSSION Share your feelings, thoughts about the case Danielle Web site Send mail to: P.O. Box 501515 San Diego, CA 92150

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According to Tuesday morning's testimony, David Westerfield had photos of another young girl named Danielle stored on his computer.

A police detective said the photos portrayed the daughter of a girlfriend of Westerfield.

San Diego Police Detective Jim Watkins testified that the photos showed the girl, who appeared to be in her early- to mid-teens, wearing a bikini.

Watkins' testimony comes during an ongoing preliminary hearing in San Diego Superior Court to determine whether prosecutors have enough evidence to try Westerfield in the case.

The 50-year-old has pleaded not guilty to Danielle's kidnapping and murder, and to possessing child pornography.

Watkins also testified that he and an FBI investigator found pornography that appeared to show girls under the age of 18 on disks in Westerfield's home office.

Prosecutors hope to use the evidence to prove that Westerfield did possess child pornography and to show a motive in the case.

More testimony focused on blood stains allegedly found on Westerfield's jacket, fingerprints taken from his motor home and a rushed trip to a dry cleaner after Danielle's disappearance.

Meanwhile, during Monday's testimony, a detective said that Westerfield was "overly cooperative" when he questioned him two days after Danielle was discovered missing.

Detective Johnny Keene told a courtroom Monday that Westerfield had numerous small scratches on his hand and arm when he was interviewed on his front porch the morning of Feb. 4.

"In my opinion, he was overly cooperative," Keene said. "I've been doing this for 16 years. Typically, when we search people's houses, they don't point out places to look. Usually, they ask why we're searching their house."

Keene said Westerfield pointed to a number of places in his "immaculate" home where detectives might want to look, including a stack of boxes and a trap door to the attic.

Westerfield also led detectives to a Poway "mountaintop" where he stored his motorhome and accompanied them to the Northeastern substation in Rancho Penasquitos for what turned into a stay of about eight hours, Keene said.

Keene also told the court that, when first questioning Westerfield, he noticed "numerous" scratch marks on his hand and above his wrist.

Westerfield reportedly explained that he got scratched the previous day while digging his motorhome out of the sand along a narrow road in Borrego Springs, the second time the vehicle got stuck that weekend.

Keene also said Westerfield was "sweating profusely" as they spoke, even though it was a cool morning and they were standing in the shade.

Earlier, San Diego police Lt. Jim Collins said Danielle's body was nude, in an advanced state of decomposition and missing a foot when it was found Feb. 27 under a tree near Dehesa Road in El Cajon.

"I saw a body of a young female," Collins told a hushed courtroom. "There was an advanced state of decomposition. She was laying on her back. Her head was facing a tree. Her head was turned to the east. The torso was in an advanced stage of decomposition."

"Were any parts missing?" prosecutor Jeff Dusek asked.

"Yes," Collins said. "One of her feet was missing."

Later, Chief Medical Examiner Brian Blackbourne (pictured, left) testified that Danielle's body had no clothes when found and showed signs of considerable "animal activity."

Blackbourne said skin and muscle tissue was missing from many parts of her body. Also gone was her genitalia, which could make it difficult for prosecutors to prove a sexual motive in her death.

Blackbourne said he tried to find evidence of a sexual assault during the autopsy, but was hindered by the decomposition of the body.

Asked how long van Dam had been dead, Blackbourne responded, "It's certainly consistent with the three-and-a-half weeks she'd been missing."

He testified that the manner of death was homicide, and that the cause of the child's death is still to be determined, pending additional testing.

Westerfield's defense lawyers focused on the uncertainty over when and how the girl died. Under cross examination, Blackbourne said the autopsy found she had died between two weeks and three-and-a-half weeks before she was found.

Attorney Steven Feldman suggested that Danielle could have died after Westerfield was under 'round-the-clock' surveillance or after he was arrested on Feb. 22.

Feldman also suggested Danielle's father, Damon, might have destroyed evidence by vacuuming after she was reported missing.

Feldman also said crime scene investigators found blood on the stairs and garage of the van Dam home, but he did not provide further details.

Westerfield's neighbor, Christina Hoeffs, testified that she noticed two unusual things at the defendant's home the night the young girl disappeared.

Hoeffs, who lives behind Westerfield's house, told the court she went to bed at 10 p.m. and noticed a backyard light -- which he rarely used -- shining into her window.

The light was still on after 2 a.m. after she tended to her crying infant son, she said.

"I got up and looked out to see why the light was on," Hoeffs testified. "I did notice the house was completely shut up. Every single blind was pulled completely shut."

"Had you ever seen that before?" Dusek asked.

"No," Hoeffs replied.

She also said Westerfield's motorhome was usually on a cross street outside his home for a day or two before his trips to the desert. She testified that when she left her house at 4 p.m. on Feb. 1 and returned at 9 that night, she did not see the motorhome.