A former Chicago police officer risked her life and career to expose a massive criminal ring in her own department. Undercover narcotics officer Shannon Spalding says fellow cops were planting drugs and extorting people living in a housing project. Despite her fear of retaliation, she and her partner reported them to their department and the FBI. Alex Ferrer, host of CBS's "Whistleblower" series, joins "CBS This Morning" to discuss how the investigation unfolded.

U.S. President Donald Trump on Thursday ordered the intelligence community to cooperate with Attorney General William Barr's review of the events that prompted the FBI to open an investigation into links between the Trump campaign and Russia.

FBI had reason to investigate Trump and Russia; Florida inmates help to rescue baby

The FBI, focused intently for years on combating terrorism from abroad, is turning more attention to home-grown, U.S. domestic violent extremists, a senior FBI counterterrorism official said on Thursday.

Dean Cain will play Peter Strzok, the disgraced FBI agent and nemesis of President Trump, in a stage play based on anti-Trump text messages between Strzok and former FBI counsel Lisa Page.

A redacted version of Special Counsel Robert Mueller's investigation into Russian interference in the U.S. election, and President Trump's efforts to obstruct the FBI's and Mueller's investigations, has been released, prompting dismissals and arguments over findings of fact, questions about prosecutorial judgment and Congressional prerogative, and subpoenas. What's next? Weijia Jiang reports.

The FBI is among the agencies investigating