The interrogation of Jáuregui clears up many of the unknowns surrounding the Lara and Susana cases, but forensic examiner Buendía identifies differences between the two murders that sow doubt within the BAC. Elena finally seems ready to move on from the disappearance of her son, channelling all her energy into closing the case — and uncovering revealing hidden connections between Jáuregui and Vistas, who is ultimately released from custody.