Burglars are scoring big when athletes aren't home

The burglars targeted the home of Milwaukee Bucks forward Bobby Portis Jr. in West Allis , Wisconsin .

Burglars are employing levels of technological sophistication far beyond the brutish smash-and-grab methods used in typical home burglaries.

NFL , NBA and NHL recently issued warnings to players about the elevated risks of high-paying sports stars.

NFL , NBA warn of "organized and skilled groups" that use advanced technology.

Police: Some burglars have placed hidden cameras in shrubbery to secretly monitor the targeted person's schedule.

LAPD says it has investigated celebrity and athlete home break-ins but declined to provide specifics.

Law enforcement officials say transnational theft groups operating around the country appear to follow certain patterns.

Jared Goff's home was burglarized while he was at a game in 2016 .

Calvin Ridley's home in Atlanta was also targeted by a domestic burglary ring.

NFL player: "It hits home no matter who it is and we're not excluded from that" Security expert: "Nothing is 100 percent " burglar-proof, but it can assist.