Per Mar Security Services (Iowa) has acquired Digital Alarm Systems (Indiana). It is the second recent acquisition for Per Mar in the state of Indiana. ... A robber, arriving on a motorcycle and wearing full motorcycle gear, brandished a gun and robbed a table at the Bellagio Casino of its chips. The robber was estimated to have escaped with $1.5 million worth of chips, and is believed to have robbed another Vegas casino using the same method quite recently. Read the Bellagio story - Watch the video - Examine the surveillance stills. ... IP video market leader Axis Communications released a cost-of-ownership video surveillance study this week (conducted by Lusax, a group at Lund University in Sweden). The research sought to compare a DVR-based system to an entirely IP system for a mid-sized retail environment.