During the rare spotting, the “NYPD Blue” alum sported a denim jacket, a black tee and gray ... for playing Lieutenant Horatio Caine on “CSI: Miami” for more than 230 episodes.

Former “CSI: Miami” star David Caruso looked unrecognizable ... he was photographed wearing a black shirt under an open jean jacket, khaki pants and a pair of black shoes.

The Golden Globe winner cut a notably slimmer figure in a black top and jacket paired with green slacks ... Caruso decided he had had enough of fame once his CSI spinoff was cancelled in 2012.

Yo, check out these incredible futuristic CSI jackets that Phillip Lim made. It's all conveniently layered from the jump and tonal. I bet you would wear this if you were a really talented ...

David Caruso kept a low profile while running errands in LA (Pictures: TheImageDirect) An actor from CSI: Miami looked unrecognizable ... opting for a dark grey jacket paired with a black top ...