A former Conservative election candidate who was suspended after he was filmed discussing the cost of hiring contract killers worked as a consultant in Kemi Badenoch’s office as recently as last year.

Jack Ross is facing an investigation by the Tories after he was filmed apparently asking an undercover reporter: “What do you want done?” and apparently offering to “broker” the services of an alleged far-right paramilitary group.

Police in Scotland say they will be reviewing an Al Jazeera documentary in which Ross was filmed making a range comments about what a contract killer could be employed to do, and talked about using far-right groups to create disruption on the streets.

It has now emerged that he was working in 2025 in the leader of the opposition’s office, which can draw on taxpayer funds to pay staff.…