The Victim viewers are adamant they know the killer after episode one

BBC1's four-part legal drama The Victim has begun, starring Kelly Macdonald as Anna – a nurse whose nine-year-old son was murdered 15 years ago by an older child, and who becomes convinced that a shy bus driver, Craig Myers, is really the child killer, Eddie J Turner.

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After Craig (James Harkness) is the victim of a brutal attack following a viral online post claiming that he is Eddie J Turner, the question remains as to whether he's the killer, or the victim of mistaken identity.

However, after just one episode viewers are already convinced that the killer isn't Craig — and that Eddie J Turner is really Danny Callaghan (Andrew Rothney), the older boyfriend of Anna's daughter, Louise.

According to the BBC, Danny is ten years older than Louise — making him a similar age to Turner.

When Anna is visited by DI Stephen Grover (John Hannah) in episode one following the attack on Craig Myers, Danny turns up at the house mid-interview, but quickly leaves when Louise informs him that the police are there.

Suspicious? It certainly seemed that way to some viewers...

"Eddie is the daughters[sic] boyfriend, I'm calling it now," one viewer posted on Twitter.

https://twitter.com/EmmaAllan1/status/1115359360291614725

https://twitter.com/_the_biscuit/status/1115358547376787456

"The boyfriend is a wee bit creepy, I think he could possibly be the killer...," another viewer wrote.

https://twitter.com/GellatlyJo/status/1115358746119684096

https://twitter.com/harrishawk80/status/1115505580712636418

However, others are convinced that Danny is really the 'Grim Reaper Man' who appeared in costume and attacked Craig on Halloween night — and that Eddie J Turner is actually Craig's best mate, Tom Carpenter (John Scougall).

https://twitter.com/Nets_rik/status/1115384749781073921

https://twitter.com/tanyaWsworld/status/1115372906786299911

So who is Eddie J Turner? You can tweet us @RadioTimes and let us know your theories.

The Victim airs across the week with episodes on Tuesday 9th, Wednesday 10th and Thursday 11th April at 9pm on BBC1