Tyler was released without charge after he was questioned about the murder of Damien's sister Laura.
He approaches Damien and Mairéad on Thursday, telling them he is "being neighbourly".
"Can you not just leave us alone?" asks Damien.
"Is this a bad time?" says Tyler as he puts his hand on Mairéad's shoulder.
"Take your hands off my wife," says Damien.
With that, Dean runs over and says: "Everything alright here, lads?"
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