A family liaison officer has read a statement on behalf of the Polish relatives of the Gartska family.
Marek Gartska was Damian Rzeszowski's first victim. He went on to kill his wife and two children, as well as a family friend and her daughter.
More top news
Cold, quiet and calm
The eastern European country brought back conscription, is spending on defence, and is now building a wall.
The chairman admitted that "we were all wrong" about the resilience of the economy.