A man and a woman have appeared in court after being charged in connection with a murder in Banbury last year.

Following a joint investigation by Thames Valley Police and Gloucestershire Police, Adina Mihai, aged 30, and Madalin Dumitru, aged 29, both formerly of Sandway Gardens, Birmingham have been charged with the murder of Gary Mouat, aged 37, at an address in Hazeldene Gardens, Banbury, on 13 July last year.

In relation to this incident, in Banbury, the pair have each been charged with one count of murder, plus an alternative count of manslaughter, one count of administering poison so as to inflict grievous bodily harm (GBH), an alternative count of administering poison and one count of conspiracy to steal.

Mihai and Dumitru were both also later charged with one count of the murder of 83-year-old Malcolm King at an address in Bagendon near Cirencester on 21 August 2024.

In relation to this incident in Bagendon, the pair were also each charged with one alternative count of manslaughter, one count of administering poison so as to inflict grievous bodily harm (GBH), plus an alternative count of administering poison and one count of conspiracy to steal.

They were both also charged in relation to poisoning and conspiracy to steal from three other men, on three separate occasions between 13 and 31 July last year.

In relation to these three victims, Mihai and Dumitru face three counts each of administering poison so as to inflict grievous bodily harm, plus three alternative counts of administering poison and three counts of conspiracy to steal.

Following an appearance at Oxford Crown Court on Friday (24/4), Mihai and Dumitru entered not guilty pleas to a total of 19 charges and were both further remanded in custody.

Mihai and Dumitru have been remanded in custody and are due to appear at Oxford Crown Court in relation to all of the charges on Wednesday 3 June 2026.