Burn Rate

Summary
As letter bombs begin targeting people connected with a previous serial bomber investigation, Don and Charlie must sift through a number of false leads to find the real killer.

Main

 * Rob Morrow as Don Eppes
 * David Krumholtz as Charlie Eppes
 * Judd Hirsch as Alan Eppes
 * Alimi Ballard as David Sinclair
 * Peter MacNicol as Larry Fleinhardt
 * Navi Rawat as Amita Ramanujan
 * Diane Farr as Megan Reeves
 * Dylan Bruno as Colby Granger

Guest

 * Lisa Vidal as Jessica Malloy
 * Aya Sumika as Liz Warner
 * Kyle Howard as Jason Aronow
 * Matt Malloy as Professor Emmett Glaser
 * William Francis McGuire as C.O. Lee Kettrick
 * Bruce Kirby as Mr. Glaser
 * Brette Taylor	as Catherine Walton
 * Dohn Norwood as Captain Hazlett
 * Brian Reddy as Lawyer

Title

 * In an arson investigation or similar, the relative speeds at which different materials are consumed by the flames, necessary to judge point of origin, fuels involved and the timeline.