The $30 million heist from an LA storage facility – which sounds like an 'Ocean's 11' attack – remains a mystery to investigators, but they are focusing on several false alarms set off in the building prior to the burglary.

TMZ has forwarded the calls for police service to GardaWorld's cash storage facility in the San Fernando Valley. The building was hit by burglars on Easter Sunday, but it appears there has been a lot of police activity.

Based on data obtained by TMZ, police have made more than a dozen visits to GardaWorld over the past year — and the vast majority of them turned out to be false alarms.

Of the 13 calls reported to the GardaWorld building before the March 31 raid, 12 were recorded as activated alarms and handled as false alarms.

Only one report was received as a possible burglary on July 7, 2023… but that also turned out to be a false alarm. Interestingly enough, a 911 call also came in on March 30… the day before the burglary.

The data also shows that the March 30 alarm trigger was attributed to a false alarm.

The day of the robbery… there were three calls for help, and they were also reported as activated alarms, but one of them turned out to be legitimate. That's when authorities realized millions of dollars had been stolen from one of the safes. .

Law enforcement sources tell us that all of these calls for service for alarms at the facility are certainly on the FBI's radar and are being looked at as part of the investigation. We're told the GardaWorld building had staffing issues before the raid… including not having enough security staff on site, something that remains under scrutiny.