This section of videos is an introduction to breath testing for attorneys. If you are not a lawyer, you might still gain some valuable insights from these videos. This seminar was presented by William Maze and John Fusco, the president (past president?) of National Patent Analytical Systems, the company that produced the BAC Datamaster and Datamaster DMT. The BAC Datamaster and Datamaster DMT are the two breath testing instruments used in Michigan for evidential breath testing, and Mr. Fusco deserves major kudos for his willingness to address members of the defense bar here in Michigan. NPAS was recently sold to Intoximeters, Inc. of St. Louis, Missouri, and the DMT is being produced under the name Intox DMT, but breath testing instruments being deployed in Michigan are still being marketed as the Datamaster DMT. You can visit www.npas.com and www.intox.com for further information about the sale and purchase of the Datamaster DMT.