Crime-mystery series that zeroes in on a critical, lost gap of time during the day of a homicide. Once that gap’s pieced back together, it breaks the case wide open.

Three rival freelance stringers scour the streets at night to film crime scenes, fires, accidents — and anything else they can sell to news outlets.

A look at the hunt for California’s Zodiac Killer, who murdered at least five people in the San Francisco Bay Area in the late 1960s and early ’70s.

Actor/adventurer Jack Maxwell learned a lot working in South Boston bars, and one lesson stood out: Enjoy a couple of drinks with a stranger, and the whole world opens up. Those experiences inspired “Booze Traveler,” which follows Maxwell to various countries to quench his curiosity about what people drink, why, and the tales it prompts. In Armenia, Belize, Lithuania, Mongolia, Nepal and elsewhere, Maxwell learns its intoxicating traditions, meets with locals, joins in activities, and even helps with the alcohol-making process. He finds a unique drink, makes friends and shares stories in each spot.

An FBI cold case that has laid dormant for 70 years, leads a group of world-renown investigators on the ultimate manhunt to finally answer the question: Did Adolf Hitler survive World War II?