O'Hara, U.S. Treasury

A routine raid led by Emer Berry, a detective in the Irish Criminal Assets Bureau, reveals that a small-time drug dealer has been receiving substantial funding from a seemingly untraceable source – not in cash, but in rough diamonds. When these diamonds are linked to a series of bombings in Belgium, Emer is forced to work with Police Commissioner Christian De Jong.

Bad Girls is a British television drama series that was broadcast on ITV from 1 June 1999 to 20 December 2006 and starred Simone Lahbib, Mandana Jones, Debra Stephenson, Linda Henry, Jack Ellis and many more throughout the eight-year run. The series was broadcast in 17 countries and was produced by Shed Productions, the company which later produced Footballers' Wives and Waterloo Road. It is set in the fictional women's prison of Larkhall, and features a mixture of serious and light storylines focusing on the prisoners and staff of G Wing. From 2010, the UK broadcast rights were bought by CBS Drama, and is repeated regularly – as of September 2012, the channel is re-running the series again in a late-night time slot.

Baretta is an American detective television series which ran on ABC from 1975 to 1978. The show was a milder version of a successful 1973–74 ABC series, Toma, starring Tony Musante as chameleon-like, real-life New Jersey police officer David Toma. While popular, Toma received intense criticism at the time for its realistic and frequent depiction of police and criminal violence. When Musante left the series after a single season, the concept was retooled as Baretta, with Robert Blake in the title role.

A veteran beat cop and teenage girl fall to their deaths from a tower block in south-east London, leaving a five-year-old boy and rookie police officer Lizzie Griffiths on the roof, only for them to go missing. Detective Sergeant Sarah Collins is drafted in to investigate, working to find Lizzie before she comes to serious harm, but also to uncover the truth behind the grisly tower block deaths.

Jack Irish is a man getting his life back together again. A former criminal lawyer whose world imploded, he now spends his days as a part-time investigator, debt collector, apprentice cabinet maker, punter and sometime lover – the complete man really. An expert in finding those who don’t want to be found – dead or alive, Jack helps out his mates while avoiding the past. That is until the past finds him.

A realistic glimpse into the daily lives of the officers and detectives at an urban police station.

Letty Dobesh is a thief and con artist fresh out of prison whose life is always one wrong turn and bad decision from implosions — just how she likes it. But when she overhears a hitman being hired to kill a man’s wife, she sets out to derail the job, launching her on a collision course with the killer, entangling them in a dangerous and seductive relationship.

A young hitchhiker introduces characters who are about to experience a frightening and sometimes supernatural incident of some kind in this moody anthology series.

The story of the determined Scotland Yard Officers who worked to prove who was responsible for the death of Alexander Litvinenko, in one of the most complex and dangerous investigations in the history of the Metropolitan Police.

Family Liaison Officer Lisa Armstrong becomes a little too emotionally involved with a case (to the point where she might compromise it) concerning a pair of missing Morecambe twins to whose distraught parents she is assigned.

The causes and consequences of America's opioid epidemic unfold in this drama following its perpetrators, victims and an investigator seeking the truth.

The Rookies is an American crime drama series that aired on ABC from 1972 until 1976. It follows the exploits of three rookie police officers working in an unidentified city for the fictitious Southern California Police Department.