Up close with insurgents in Iraq, FRONTLINE investigates who they are and why they fight.

State by state, laws regulating access to abortion are changing U.S. politics.

Coming up on FRONTLINE: New investigations, new collaborations and so much more. Feel the gridlock. Witness the chaos. Know the truth. And experience it all in your own way, at any time of day -- on your morning commute, on your tablet, and as always, Tuesday nights on PBS.

After 12 years of reform and roughly $300 million dollars spent, federal oversight was lifted from the Los Angels Police Department in 2013. Despite significant reforms, the LAPD is struggling to address community concerns and rising violence.

On Tuesday, Nov. 3, 2015, FRONTLINE and ProPublica team up to investigate a wave of terror that targeted Vietnamese-American journalists. Uncovering a trail that leads from American cities to jungles in Southeast Asia, FRONTLINE and ProPublica shine new light on a series of unsolved murders and attacks.

For weeks, the world's eyes have been fixed on the tens of thousands of refugees fleeing war-torn Syria for Europe. But what is life like for those left behind? Correspondent Martin Smith goes "Inside Assad's Syria" to report from government-controlled areas as war rages, with on-the-ground reporting and firsthand accounts from Syrians caught in the crisis.

In "Immigration Battle," a special two-hour feature film presentation from FRONTLINE and INDEPENDENT LENS, acclaimed independent filmmakers Shari Robertson and Michael Camerini take viewers behind closed doors in Washington's corridors of power to explore the political realities surrounding one of the country’s most pressing and divisive issues. Premiering Tues., Oct. 20 on PBS and online.

When Ken Dornstein was 19, his brother was one of 270 people killed in the bombing of Pan Am Flight 103 over Lockerbie, Scotland. Only one person was ever convicted of the plot; who else was involved remains an open case. In "My Brother’s Bomber," a 3-part FRONTLINE series starting 9/29, Dornstein embarks on a gripping search for answers to one of the deadliest attacks on Americans before 9/11.

A feature documentary about two filmmakers who set out to interview El Chapo Guzmán, leader of one of the biggest drug cartels in history. Before his capture in 2014, El Chapo had been on the run from the US and Mexican governments for over a decade -- and after his July 2015 escape from prison, he's on the lam once again.

Using undercover footage, FRONTLINE presents the gripping, first-hand accounts of women who escaped the brutal reign of ISIS -- and follows an underground network that's helping them escape.

Just a generation ago, it was adults, not kids, who changed genders. But today, many children are transitioning, too — with new medical options, and at younger and younger ages. In "Growing Up Trans," a 90-minute special airing June 30 on PBS, FRONTLINE takes viewers on an intimate and eye-opening journey inside the struggles and choices facing transgender kids and their families.

Following up on the award-winning collaboration that produced "Rape in the Fields/Violación de un Sueño" in 2013, FRONTLINE (PBS), Univision, Reveal from The Center for Investigative Reporting (CIR), the Investigative Reporting Program (IRP) at UC Berkeley, and KQED team up to uncover the sexual abuse of immigrant women in the janitorial industry. "Rape on the Night Shift" airs June 23 on PBS.

FRONTLINE investigates the sexual abuse of immigrant women -- often undocumented -- who clean the malls where you shop, the banks where you do business and the offices where you work.

On Tuesday, May 26, veteran FRONTLINE filmmaker and correspondent Martin Smith goes inside the Obama administration’s struggle to deal with ISIS and the civil war in Syria. Learn more at pbs.org/frontline.

Coming May 19: FRONTLINE investigates the fight over the CIA's controversial "enhanced interrogation" methods, widely criticized as torture. Based on recently declassified documents and interviews with key political leaders and CIA insiders, filmmaker Michael Kirk investigates the secret history of what the CIA did -- and whether it worked. Visit pbs.org/frontline to learn more.

FRONTLINE investigates the spread of dangerous pathogens in our poultry — and why the food-safety system isn't stopping the threat.

"Ebola was not an exception. Ebola is a precedent." Coming May 5 on FRONTLINE: The vivid, inside story of why the Ebola outbreak wasn't stopped before it was too late. Learn more and check local listings at pbs.org/frontline.

In this update to "A Perfect Terrorist," premiering April 21 on PBS, FRONTLINE and ProPublica investigate David Coleman Headley, the American-born terrorist who helped plan the Mumbai attacks -- revealing how secret electronic surveillance missed catching the Mumbai plotters, and how Headley planned a Charlie Hebdo-like assault against a Danish newspaper.

A landmark historical film discovered by FRONTLINE in a museum vault decades ago has been called “Hitchcock’s lost Holocaust film.” First broadcast by the series in 1985, the documentary shows the first horrifying footage shot as Allied troops entered the Nazi death camps, and draws on initial editing done by famed director Alfred Hitchcock before the film was shelved 70 years ago.

With Yemen in chaos, a gripping report from the heart of the escalating conflict. As recently as September, President Obama was pointing to Yemen as a model for the U.S.’s counter-terrorism strategy. But now, the country is being torn apart in a violent sectarian conflict, led by an anti-American rebel movement known as the Houthis. What does it mean for the region -- and the world?