 Pereira was extroverted and convincing, leaving the victims to describe their present situation, usually of conflict in their relationships, to use this information for the conquest and conviction of the girls.He worked mainly in the Metro, more frequently in the lines connected to the station of Jabaquara, where he approached his victims with the promise of participation in photo shoots of a large cosmetics company, usually focusing on women with apparent emotional discomfort, which the delinquent described as "sad" and "head low," with apparent susceptibility to approaching strangers.When he disappeared, he only left a newspaper and a note on the table.