In September 2006, 35-year-old single mom Tammy Grogan disappeared on a cruise. Investigators believe she was a victim of foul play, but they need more information to make an arrest. Who holds the key to the case?

https://www.newspapers.com/image/922713550/?match=1&terms=Tammy%20Grogan 

https://web.archive.org/web/20170615025805/https://nbc24.com/news/local/local-cruise-ship-mystery-remains-unsolved 

https://www.wtol.com/tammygrogan

https://www.toledoblade.com/Police-Fire/2006/09/14/FBI-says-missing-woman-not-a-victim-of-foul-play.html

https://web.archive.org/web/20150710103138/http://apmobile.worldnow.com/story/12040351/news-11-investigates-what-happened-to-tammy

https://www.wtol.com/article/news/news-11-investigates-what-happened-to-tammy/512-685ec158-4739-4524-97ff-efa8c742b96b

https://www.wtol.com/article/news/news-11-report-what-happened-to-tammy/512-79f87eb0-bf65-4b6f-9c7a-adf6026d5f96

https://www.walkerfuneralhomes.com/obituaries/Bonnie-Louise-Grogan?obId=12758215

https://www.justice.gov/archive/ndic/pubs6/6074/index.htm#illegal

https://www.youtube.com/watch?v=tsJv5m8ovLU&t=115s

https://www.youtube.com/channel/UCtSu4nz9M-HvlQWSXi2VIew