UPDATE: 05/04/21 11:27 p.m.
John Hoehn has been located and he is safe.
Thank you to the media and the public for your assistance.
Pittsburgh Police Special Victims Unit detectives seek the public's assistance in locating a missing and endangered person.
John B. Hoehn is 57 years old and was reported missing by a friend who received a concerning voicemail message from him. His cellphone goes straight to voicemail.
He's described as 5'5" tall, 150 pounds, bald, with brown eyes.
It's believed he may have been in the West End area around 7:20 p.m. on May 4. Police have been searching the area.
If you have any information on his whereabouts, please call police at (412) 323-7141 or call 9-1-1.