Furius Victorinus , one of the two praetorian prefects , was sent with Lucius , as were a pair of senators , and part of the praetorian guard . Furius Victorinus , one of the two praetorian prefects , was sent with Lucius , as were a pair of senators , M. Pontius Laelianus Larcius Sabinus and M. Iallius Bassus , and part of the praetorian guard .