Just in time for Fourth of July and National Grilling Month, Road Gang Radio hosts Jimmy Mac and Lindsay Lawler fire up a fact-filled feast with guest Chris Carosa, author of Hamburger Dreams: How Classic Crime Solving Techniques Helped Crack the Case of America's Greatest Culinary Mystery.

Was the hamburger really born at the 1904 World’s Fair?

Who smashed it first—and why?

And when did this humble beef patty become America’s favorite backyard staple?

Using CSI-style sleuthing, Yale grad and award-winning columnist Chris Carosa unpacks the true story behind one of the nation’s most iconic foods. Expect interactive burger trivia, myth-busting surprises, and stories juicy enough to rival your favorite double cheeseburger.

Whether you're a foodie, a history buff, or just a backyard grill master looking for bragging rights—this episode serves up the answers you didn’t know you were hungry for.