2.2The Lawton Serial Killer active 1999-2003.The Giggling Granny, Nannie Doss. *Content Warning* Sources: SWOKNews.com, The Daily Oklahoman archives, bizarreunsolved.com, murderpedia, thoughtco.comIntro/Outro by William Bohannon (my baby brother) Email us your Strange Oklahoma stories at [email protected]Follow us on FB and instagram. Donate at cashapp $OklahomaStrangers.