"We talked for about a half hour. She seemed like herself," RHOC alum Tammy Knickerbocker tells PEOPLE weeks after her daughter Lindsey went missing Glenn Garner is a form writer-reporter who ...

I want to help her in any way I can.” Lindsey’s sister, Megan Knickerbocker, also posted about her missing sister before sharing on social media that “she has been found.” ...