“…Since its inception, there has been a burgeoning literature concerning the efficacy of the AA safeguard for vulnerable suspects in police custody. Initially, research was largely focused upon the identification of vulnerable suspects Brown, 1989;Brown, Ellis, & Larcombe, 1992;Bucke & Brown, 1997;Gudjonsson, Clare, Rutter, & Pearse, 1993;Irving & McKenzie, 1989;Keyes, Scott, & Truman, 1998;Medford, Gudjonsson, & Pearse, 2000;Pearse, Gudjonsson, Clare, & Rutter, 1998;Phillips & Brown, 1998;Robertson, Pearson, & Gibb, 1996).…”