A famed architect to the stars designed it. A renowned Hollywood producer occupied it. A relative of a reviled international terrorist abandoned it.

And now a Mediterranean villa on a hillside in genteel Bel-Air has become the latest target of mysterious graffiti vandals. Sometime late last week, spray-paint-wielding intruders turned the pink walls of this seven-bedroom mansion into a helter-skelter canvas of pop art, obscure quotations and political insinuations — the third hillside home in Los Angeles to be defaced in recent days. Police detained one man at the two-acre property on Stone Canyon Road late Friday, but the real estate agent who oversees the property said a security guard believed the uninvited visitor was only taking pictures of the home.

She declined to press charges. Police and the private security firm that patrols the verdant neighborhood near the Hotel Bel-Air said they had no further clues about who vandalized the house, with missives and sketches filling most of the walls both inside and outside the once luxurious residence. On Sunday morning, emptied paint cans and beer bottles littered many of the rooms and a front patio.

Windows above the front door had been shattered. Others had been rendered opaque with black and red paint. An elegant stone archway had been emblazoned with “Hopes” in black paint.

“They really completely destroyed everything. There is broken glass everywhere. It’s been defamed, vandalized,” said the agent who is selling .