Cahlil Duckett, 25, of East Liberty places flags on the graves of military veterans with Pittsburgh Mercy Intellectual Disabilities Services on Wednesday, May 22, 2018, at Allegheny Cemetery in Lawrenceville. (Steph Chambers/Post-Gazette)

Cahlil Duckett, 25, of East Liberty places flags on the graves of military veterans with Pittsburgh Mercy Intellectual Disabilities Services on Wednesday, May 22, 2018, at Allegheny Cemetery in Lawrenceville. (Steph Chambers/Post-Gazette)