Jon Simpson, a technician from Sundance Computers, a small-time computer store in northern California, said he was impressed by the vast array of fresh products on display.
Police swarmed her northern New Jersey home after pranksters placed a 911 call through a computer that cloned her number and said a man had killed four people and was holding another hostage in her house.
Last Friday afternoon, Northern Ireland police assisting the investigation had searched Mr Mallon's home and removed his computer, videos, and a number of CDs.