According to question 6 on their blog he did
Miron had not shown any unusual levels of aggression to female tigers here at Knowsley Safari, however he had fatally injured a female while at Copenhagan Zoo in 2018. We were aware of this when Miron arrived at Knowsley, but given the facilities here and expertise of the team it was we felt that we could meet Miron’s needs. The introductions between the two had been taken very slowly and managed carefully over a two-year period.
Some sad news to share