Kevin Ryan, former Site Manager for Environmental Health Laboratories, a division of Underwriters Laboratories (UL). Mr. Ryan, a Chemist and laboratory manager, was fired by UL in 2004 for publicly questioning the report being drafted by the National Institute of Standards and Technology (NIST) on their World Trade Center investigation. In the intervening period, Ryan has completed additional research while his original questions, which have become increasingly important over time, remain unanswered by UL or NIST.

Natalie Jackson is one of the super lawyers who work for Trayvon Martin's family.  She comments on the fatal shooting of Trayvon Martin by George Zimmerman that took place on the night of February 26, 2012, in Sanford, Florida, United States. Martin was an unarmed 17-year-old African American. George Zimmerman, a 28-year-old multi-racial Hispanic American, was the appointed neighborhood watch coordinator for the gated community where Martin was temporarily staying and where the shooting took place.

Nationwide audience participation during the show.

In this 2 guest episode of The People Speak we hear first from audio expert analyst Ed Primeau who comments on the 911 calls made during the Trayvon Martin/George Zimmerman shooting incident.  Ed Primeau is an audio engineer who helps courts and law enforcement agencies understand the science and technology of voice identification. We all have distinctive characteristics to our voice and words, as well as how we pronounce those words. Each of us has a unique nasal cavity, larynx, teeth, tongue, and mouth.

RICHARD BELZER is a stand-up comedian, actor and author. He is best known for his current role as John Munch on the hit NBC show, Law & Order: Special Victims Unit. He is also famous for his acerbic wit and astute political commentary: “90% of the American people believe there was a conspiracy to assassinate John F. Kennedy. The other 10% work for the government or the media.” He has written such books as UFOs, JFK, and Elvis (2000), and the novels I Am Not a Cop! (2009) and I Am Not a Psychic! (2010).