Missing person John Harrison last seen near Commencement Park in Binghamton wearing a blue plaid shirt and khaki pants.

We are looking for my grandfather, John Harrison, who went missing yesterday afternoon around 4 PM. He was last spotted near Commencement Park in Binghamton, wearing a blue plaid shirt and khaki pants. He tends to wander and might be disoriented, so we're very concerned about his wellbeing. If anyone has any information about his whereabouts, please reach out.