Joanna Grivetti, crime scene investigator in the homicide division of the Richmond, California, police department, inspects a vehicle in which a young man was shot in the back of the head during a drive-by shooting on March 9, 2012.
From the courtroom to the living room (thanks to the hit television series “CSI”), forensic science is king. Expertise on fingerprints, ballistics and bite mark analysis are routinely called on to solve the most difficult criminal cases — and to put the guilty behind bars. But how reliable is the science behind forensics? A FRONTLINE investigation finds serious flaws in some of the best-known tools of forensic science and wide inconsistencies in how forensic evidence is presented in the courtroom.
In a quest for world domination, the Nazis built some of the biggest and deadliest pieces of military hardware and malevolent technology in history. This new six-part series recounts World War II from a unique new perspective, uncovering the engineering secrets of iconic megastructures, telling the stories of the engineers who designed them and revealing how these structures sparked a technological revolution that changed warfare forever.
"Nazi Mega Weapons, Pt. 1" airs on Wednesday, July 17th at 9:00 p.m. on channels 3 and 3-1.
NOVA joins a new generation of archeologists as they probe areas of Machu Picchu that haven’t been touched since the time of the Incas. Pictured: Recently re-discovered terraces at Machu Picchu are being restored.
Perched atop a mountain crest, mysteriously abandoned more than four centuries ago, Machu Picchu is the most famous archeological ruin in the Western hemisphere and an iconic symbol of the power and engineering prowess of the Inca. In the years since Machu Picchu was discovered by Hiram Bingham in 1911, there have been countless theories about this "Lost City of the Incas," yet it remains an enigma. Why did the Incas build it on such an inaccessible site, clinging to the steep face of a mountain?
LEWIS & CLARK: THE JOURNEY OF THE CORPS OF DISCOVERY tells the remarkable story of the United States' first exploration of the West, a voyage of danger and discovery from St. Louis to the headwaters of the Missouri River, over the Continental Divide to the Pacific. Hal Holbrook narrates.
Sent by President Thomas Jefferson to find the fabled Northwest Passage, Meriwether Lewis and William Clark led the most important expedition in American history — a voyage of danger and discovery from St. Louis to the headwaters of the Missouri River, over the Continental Divide to the Pacific. It was the United States’ first exploration of the West and one of the nation’s most enduring adventures.
INTELLIGENCE SQUARED U.S. features provocative and informative debates on hot-button concerns of the day. Moderated by ABC’s John Donvan, each program includes experts, specialists and passionate advocates on both sides of an issue. Taking the traditional approach of Oxford-style debate, one side proposes and the other side opposes a sharply framed motion, with two to three speakers on each side. After the formal arguments, the debate is thrown open to the floor for questions, triggering an interchange among speakers and audience.