Help Find Lucas: Missing White Retriever

His name is Lucas Lopez, he is a white retriever mix he will respond if you call him by that. He is the friendliest dog in the world. PLEASE PLEASE help us find our boy we've had him since a baby, our kids miss him, his actual mom misses him. He is family. He was freshly groomed from PetSmart with a PetSmart Christmas bandana on, but no collar since we had just picked him up. Bandana might have fallen. IF SOMEONE HAS HIM PLEASE REPORT HIM PLEASE