A search warrant includes new details about the death of actor Gene Hackman that law enforcement officers call "suspicious."

An investigation is underway after actor Gene Hackman, 95, and his wife, Betsy Arakawa, 64, were mysteriously found dead alongside a dog in their Santa Fe, New Mexico, home, authorities said. The couple was found Wednesday afternoon during a welfare check after their neighbor called and was concerned about their well-being,

There was no indication that any of them had been shot or had other types of wounds, the sheriff's office said.