Police suspect that the thefts involved insiders because all the items were kept in a locked storage room of the museum and there were no signs of any breakins.
Moreover, a computer linked to the closedcircuit television system had been damaged in a way that made it impossible to record what had happened at the spot.
“Outsiders would not know that some antiques had been kept in a storage room. An exhibition board was put in front of the door to this locked room to hide it from public view,” Chai Nat police chief MajGeneral Pawat Prommakrit said Tuesday.