What makes a person walk into a theater or a church or a classroom full of students and open fire? What combination of circumstances compels a human being to commit the most inhuman of crimes? Can science in any way help us understand these horrific events and provide any clues as to how to prevent them in the future? As the nation tries to understand the tragic events at Newtown, NOVA correspondent Miles O’Brien separates fact from fiction, investigating...

August 1st 1966 was the day our innocence was shattered. A sniper rode the elevator to the top floor of the iconic University of Texas Tower and opened fire, holding the campus hostage for 96 minutes in what was a previously unimaginable event. TOWER combines archival footage with rotoscopic animation of the dramatic day, based entirely on first person testimonies from witnesses, heroes and survivors, in a seamless and suspenseful retelling of the...

"Sam Blue stands accused of the brutal murders of three young students, their bodies dumped near the Georges River. Only one person believes he is innocent: his sister, Detective Harriet Blue. And she's determined to prove it. But Harry's outburst at her brother's trial earns her a reassignment -- to the Outback. With no choice but to leave Sam's case alone, she relocates to Last Chance Valley, population 75, where a diary found on the roadside outlines...

Dragon's Eye introduces Chief Investigator Sun Piao, a Shanghai detective known for being tough, intelligent, and resourceful, whose moral code puts him at odds with the world he lives in. Piao and his boisterously faithful deputy Yaobang run dead into the case no homicide investigator would want to handle: eight bodies mutilated beyond recognition, shackled together and writhing with the tide in a bizarre choregraphy of death on the mudflats of the...

"When seven murder victims are found in a small town, the homicide investigation shakes a small-town sheriff to her core"-- Sullivan County, Georgia. One historic lake house. Seven murder victims. Two versions of the truth.... When Army Rangers posted to the local base are implicated in a major crime, the investigating team is led by Major Jeremiah Cook. Sheriff Emma Williams has never worked a multiple homicide, and Cook knows it. And the evidence...

On a serene summer Sunday, a routine admission for a run-of-the-mill surgery at Atlanta's Emory Hospital goes tragically wrong, setting off a catastrophic wave of destruction that sends the facility and the surrounding area into lockdown. One of the city's largest and most prestigious institutions, Emory is situated near the Centers for Disease Control, the FBI counter-terrorism headquarters, and a large children's hospital. Anything that happens...

"In one of the year's most anticipated debut psychological thrillers, a family made infamous by a true crime documentary is found dead, leaving their surviving son to uncover the truth about their final days. "They found the bodies on a Tuesday." So begins this twisty and breathtaking novel that traces the fate of the Pine family, a thriller that will both leave you on the edge of your seat and move you to tears. After a late night of partying, NYU...

Florida psychologist Chloe Marin and Luke Cane, a British ex-cop-turned-P.I. investigating the disappearance of a young swimsuit model on behalf of her father, have trouble trusting each other, even though they are attracted to one another and have the same hunch that a killer is using a modeling agency to stalk his prey. When Chloe arrives late for an appointment at the modeling agency, she discovers a gruesome mass murder eerily similar to one she...

Emerging as the lone survivor of a serial killer's massacre a decade earlier, Quincy Carpenter struggles to ignore traumatic memories and move on as one of a group of other survivors who look to her for answers when one of them is found dead in a suspicious suicide.

Carlton Stowers, the two-time Edgar Award winner and New York Times bestselling master of true crime, is back. Scream at the Sky is his masterful chronicle of one man's murderous career, and another man's sworn promise to deliver justice and closure to the people of Texas. Wichita Falls, Texas, was home to a hundred thousand people in the last months of 1984. That winter was harsh, as the normally arid Texas plains gave way to ominous dark clouds...