Seasons

Season 1

September 26, 2011 | 6 Episodes

Season 2

September 26, 2012 | 9 Episodes

Season 3

October 2, 2013 | 5 Episodes

Season 4

February 6, 2014 | 4 Episodes

Season 5

January 19, 2015 | 8 Episodes

Season 6

March 22, 2016 | 5 Episodes

Season 7

November 9, 2017 | 3 Episodes

Season 8

February 19, 2018 | 5 Episodes

Season 9

March 4, 2019 | 6 Episodes

Season 10

April 19, 2020 | 5 Episodes

Season 11

October 25, 2021 | 5 Episodes

Season 12

April 24, 2022 | 9 Episodes

Season 13

February 9, 2023 | 7 Episodes

Season 14

January 16, 2024 | 6 Episodes

More investigations from the team at ITV.

Season 15

February 16, 2025 | 6 Episodes