Missing Since: 2020-06-24 Location: None, Hawaii
Mantei was last seen leaving the Wailuku Police Station in Maui County, Hawaii on October 2, 2020. He has never been heard from again. Few details are available in his case. Mantei frequented the Paia, Haiku and Kihei areas at the time of his disappearance. Some agencies give the date of disappearance as June 24, 2020. Investigating Agency Maui County Police Department 808-244-6400 Source Information NamUs Maui Police Department KHON 2 Douglas Mantei’s Facebook Page Updated 1 time since October 12, 2004. Last updated February 17, 2022; casefile added.