Videotaped oral history interview with Charles Tessmer. A notable criminal defense lawyer in Dallas for more than fifty years, Tessmer was friends with Jack Ruby at the time of the Kennedy assassination. Following Ruby's arrest, Tessmer recalled being offered the opportunity to join Ruby's defense team, which he declined. Interview conducted at Mr. Tessmer's office on March 13, 2000 by Bob Porter. The interview is one hour and thirteen minutes long.