A thief in the Longwood area of the Bronx is calling out victims by their names, building familiarity before robbing them reports DNAinfo.

Police think that the suspect may be watching potential victims as they sign or state their names in banks. They advise that everyone be extremely careful with their personal information, especially when signing their names.

Tips about the thief can be submitted to Crime Stoppers at 1-800-577-TIPS (8477).