Sincere Murphy, now 19, was last seen in Brentwood, New York, on December 6, 2023, and remains listed as missing. Missing-person notices from the National Center for Missing & Exploited Children and the New York State Missing Persons Clearinghouse identify Brentwood as the community where he disappeared and note that authorities believe he may have stayed in the local area.

Public information about Sincere’s disappearance is very limited. Notices do not say where in Brentwood he was last observed, what he was doing beforehand, who he may have been with, what he was wearing, or whether he left a home, school, workplace, or other setting. His photo and identifying details continue to be circulated to keep the case visible and to encourage tips.

Anyone with information about Sincere’s movements on or after December 6, 2023, or who may have seen him in the Brentwood area is asked to contact the New York State Missing Persons Clearinghouse.