PERRIS, Calif. (AP) — A week after an attack on a Southern California man, DNA tests to determine whether he was mauled by a mountain lion proved inconclusive, the victim remains too injured to be interviewed and the suspected cat hasn't been found.

California Dept. of Fish and Wildlife Lt. Patrick Foy says samples gathered from 48-year-old Raymond Navarro and his Riverside County campsite have not been good enough to get conclusive results.

Navarro's wounds are consistent with a cougar attack, but Foy says the case is "a very confusing puzzle."

Navarro's sister Mary Lou Martinez tells the Riverside Press-Enterprise that he's hospitalized "in real bad shape."

Foy says many cougar sightings have been reported, none credible. He says after an attack, "every house cat and golden retriever" brings in lion reports.

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Information from: The Press-Enterprise, www.pe.com