SRL for [shackled]: Once the officers walked defendant into the interrogation room , they [shackled] him to the chair with shackles that were also bolted to the wall .
ARG-M-TMP: Once the officers walked defendant into the interrogation room | ARG-0: they | ARG-1: him | ARG-2: to the chair | ARG-3: with shackles that were also bolted to the wall