Long Bright River ending explained: Who was the killer?

Long Bright River ending explained: Who was the killer?

*Warning: This article contains full spoilers for the final eighth episode of Long Bright River.*With Long Bright River having now reached a UK audience by way of Channel 4, there are plenty more people who have been left to unpack the twists and turns that have been woven throughout the series.The Amanda Seyfried drama focuses on Mickey, a Philadelphia cop who is determined to protect the area that she's grown up in.But when a string of murders…