Line Of Duty viewers have been putting pen to paper since last night's episode to work out who DCI Jo Davidson's criminal blood relative is.
A major cliffhanger at the end of Sunday's episode revealed that Jo had a DNA match with someone on the police database after a swab was retrieved from he ex-girlfriend PS Farida Jatri's (Anneika Rose) home.
And fans believe they have already worked out who the connection is ahead of the next episode, with many convinced former OCG boss Tommy Hunter is her father.
Shock: A major cliffhanger at the end of Sunday's episode revealed that Jo had a DNA match with someone on the police database after a swab was retrieved from he ex-girlfriend PS Farida Jatri's (Anneika Rose) home