Boston, MA – October 27: Boston Police graduate, Lawrence Li’s wife Xiaoqing pins his badge as his children Piper and Peyton take part during his graduation ceremony at the BCEC. (Matt Stone/Boston Herald)

Boston, MA – October 27: Boston Police sergeant Winston DeLeon hugs his son Winston M. DeLeon Jr. during his graduation ceremony as his mother Marcelina looks on. (Matt Stone/Boston Herald)

Boston, MA – October 27: Boston Police graduates, including Scott Patterson, Emily Dominick and Quang Pham, bow their heads during their graduation ceremony at the BCEC. (Matt Stone/Boston Herald)

Boston, MA – October 27: Boston Police graduates stand at attention during their graduation ceremony at the BCEC. (Matt Stone/Boston Herald)

Boston, MA – October 27: Mayor Michelle Wu speaks during the Boston Police graduation ceremony at the BCEC. (Matt Stone/Boston Herald)

Boston, MA – October 27: Boston Police graduates salute during their graduation ceremony at the BCEC. (Matt Stone/Boston Herald)

Boston, MA – October 27: Boston Police graduates, including class president Odarrie Jackson (center) stand at attention during their graduation ceremony at the BCEC. (Matt Stone/Boston Herald)

Boston, MA – October 27: Boston Police Commissioner Michael Cox speaks during the Boston Police graduation ceremony at the BCEC. (Matt Stone/Boston Herald)

Boston, MA – October 27: Family members take pictures as the Boston Police graduates march into their graduation ceremony at the BCEC. (Matt Stone/Boston Herald)

Boston, MA – October 27: Boston Police graduates say the Oath of Office during their graduation ceremony at the BCEC. (Matt Stone/Boston Herald)

Boston, MA – October 27: Boston Police graduate, Lawrence Li with his wife Xiaoqing and children Piper and

Peyton during his graduation ceremony at the BCEC. (Matt Stone/Boston Herald)