Matthew Caruana Galizia testified in court in the compilation of evidence against brothers Adrian and Robert Agius (known as Tal-Maksar), Jamie Vella and George Degiorgio.

He had to revisit the day his mother was assassinated and give testimony again, since records of his previous testimony had been lost due to hardware failure.

He had to relive the day his mother's car was blown up.

Robert Agius and Jamie Vella were charged with supplying the bomb that killed journalist Daphne Caruana Galizia in 2017.

Adrian Agius was also charged with commissioning the murder of lawyer Carmel Chircop in 2015. Vella and Degiorgio were charged with executing Chircop's assassination. Degiorgio has separate proceedings over his involvement in the Caruana Galizia murder.

Magistrate Caroline Farrugia Frendo presided.