Digital Monitoring Products (DMP), a manufacturer of intrusion, fire, access control, network and cellular communication products, is supporting relief efforts for tornado victims in the Joplin, Mo. area and encouraging members of the DMP Authorized Dealer Network to join in. The tornado struck on Sunday, May 22, killing 138 people (reported to date) and destroying thousands of homes and buildings. DMP is providing aid via support of Convoy of Hope, a Springfield-based charity that provides disaster relief and other humanitarian services around the world.