Three men face are facing charges after a woman's body was found in an insect-infested van in Phoenix, police said.
According to MyFoxPhoenix.com, the van was carrying 35 animals and was infested with spiders and cockroaches.
Phoenix police said Lola Mae Stout, 73, was found dead Sunday.
Her 79-year-old husband, Alva Stout, and her two sons -- Alan Stout, 42, and Gregory Stout, 44, all were booked into jail on suspicion of 35 counts of animal abuse and mistreatment.
Police said additional charges in the woman's death are possible.
The sons told authorities that their mother died on a trip to Quartzsite, so they put her body in the van and drove back to Phoenix. Alva Stout says his wife was alive when they got into the van.
Police said they learned the woman had prior medical conditions which required specific medical care, including prior strokes, high blood pressure, goiter and schizophrenia.
Also found in the van were 13 animal carriers containing 12 dogs, 22 cats and one pigeon.
The carriers were described as dirty and moldy, and Arizona Humane Society investigators said the animals were all malnourished, abused and neglected. Investigators say it's likely many, if not all, will have to be euthanized.
AHS spokeswoman Bretta Nelson called it a "very, very bad case."
"What made this so different was the fact that it was a van filled with dozens and dozens of animals, people, feces, debris, cockroaches, spiders, just something we haven't seen to that scope in a very, very long time," she told MyFoxPhoenix.com.
Police didn't immediately know Monday if any of the Stouts had attorneys yet.
The Associated Press contributed to this report.