Based of the U.S. cable network of the same name, the channel focuses on true crime programming, including original productions and imports from its U.S. counterpart.

Discovery factual and lifestyle brands to Rogers Sports & Media, the channel relaunched as Oxygen as part of a licensing agreement with NBCUniversal, maintaining its true crime format.

In November 2000, Learning and Skills Television of Alberta, a company majority owned by CHUM Limited with a 60% ownership and owners of Access as well access now ctv 2 Alberta today, was granted permission by the Canadian Radio-television and Telecommunications Commission (CRTC) to launch a television channel called "The Law & Order Channel", described as "a national English-language Category 2 specialty television service that will feature entertainment programming about police, law, the courts, emergency and medical response teams, disaster and relief operations featuring people and organizations that uphold law and order in our society.

[2] A year later, in July 2006, Bell Globemedia (later renamed CTVglobemedia) announced that it would purchase CHUM for an estimated CAD$1.7 billion, included in the sale was LSTA and its interest in CourtTV Canada.

[13] On October 17, 2024, Bell Media announced a licensing agreement with NBCUniversal to relaunch two of its former Discovery-branded channels, with ID becoming a Canadian version of NBCU's true crime brand Oxygen on January 1, 2025.

[14] Under the former incarnation as Court TV Canada, this channel also aired crime-themed programs such as true crime documentary series, legal analysis talk shows, and live news coverage of prominent criminal cases.

This format is continued to be maintained after its relaunch as Investigation Discovery in 2010 and the retirement of the genre protection rules by the CRTC in 2015 while its U.S. counterpart which was rebranded as TruTV which has since then shifted towards comedy and sports programming throughout the late 2010s; Court TV would be revived as a over the air channel by Scripps Networks in 2019.