SRL for [rigged up]: After discovering that the hacker had taken over the dormant account of a legitimate user named Joe Sventek , he [rigged up] an alarm system , including a portable beeper , to alert him when Sventek came on the line .
ARG-M-TMP: After discovering that the hacker had taken over the dormant account of a legitimate user named Joe Sventek | ARG-0: he | ARG-1: an alarm system , including a portable beeper , to alert him when Sventek came on the line