The victims of a stunning double homicide — “American Idol” music supervisor Robin Kaye and her husband Thomas Deluca — had three pets … who TMZ has discovered are secure and sound.

Los Angeles Police Division Lieutenant Man Golan tells TMZ … the couple had three pets — a small white canine, a tortoise and a parrot — and all three had been discovered alive and unhurt. They had been turned over to family and friends, we’re informed.

We have additionally confirmed with our regulation enforcement sources that authorities recovered a handgun on the scene, which they may take a look at to find out if it belongs to the victims or the suspect.

Our sources say there isn’t any unbiased proof presently to again the speculation that it was the victims’ gun that was used within the capturing.

As we informed you … 22-year-old Raymond Boodarian was arrested Tuesday after officers say surveillance video and fingerprints discovered on the scene pointed them in his course. Pictures of his arrest present a large group of cops surrounding him as he is handcuffed.

Cops imagine Boodarian entered the residence final Thursday to burglarize the home … and Kaye and Deluca got here residence and found him inside. They had been then shot and killed in a battle.

A welfare verify was carried out by police on Monday … who say they noticed blood exterior the home and charged into the house — discovering the couple deceased.