Episode 4
S2, E4: The killer leaves clues for the team to decipher, but they'll have to heal their past wounds to pursue the lead. As Sinead reaches her breaking point, a new, unlikely suspect emerges.

S2, E4: The killer leaves clues for the team to decipher, but they'll have to heal their past wounds to pursue the lead. As Sinead reaches her breaking point, a new, unlikely suspect emerges.