Missing Since: 2018-03-10 Location: Seattle, Washington
Mongrain was last seen in Seattle, Washington on March 9, 2018, and she spoke to a relative on the phone the next day. She has never been heard from again. Few details are available in her case. Investigating Agency Seattle Police Department 206-684-5426 Source Information Washington State Missing Persons Search Washington State Patrol NamUs Updated 1 time since October 12, 2004. Last updated April 3, 2021; casefile added.