Who killed Connie Sue Madvig? December 11, 2010 By Alice Connie Sue Madvig, photograph the Chronicle The Harris County authorities in Texas need your help i the cold case of Connie Sue Madvig. On June 27, 1977, 18-year-old Connie was… Thank you for sharing!Click to share on Pinterest (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Mastodon (Opens in new window)Click to print (Opens in new window)Click to email a link to a friend (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Telegram (Opens in new window)Click to share on Nextdoor (Opens in new window)