Sebastian Kalinowski died after weeks of abuse by Agnieszka Kalinowska and Andrzej Latoszewski, Leeds jury told
A woman and her partner have been found guilty of murdering her 15-year-old son following a campaign of “utterly horrific and prolonged” torture.
Sebastian Kalinowski died in hospital on 13 August 2021 of an infection caused by “untreated complications of multiple rib fractures”, following weeks of abuse and assaults by his mother, Agnieszka Kalinowska, 35, and her long-term partner, Andrzej Latoszewski, 38.
