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The Hollywood Hills rental home where singer D4vd was living has a security system with external cameras that capture everyone going in and out ... the owner tells TMZ.

Malden Trifunovic owns the home D4vd's manager was renting -- the place has been searched by cops as part of the Celeste Rivas death investigation -- and he says he had a security company install cameras outside the home years before Josh Marshall signed a lease in February 2024 for $20,000 a month. TMZ.com

The homeowner says the cameras are positioned at entry points, in the backyard and on the street ... and he believes people can not go in or out of the house without being recorded.

That's a key element because cops were looking into the possibility that Celeste was killed inside t

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