Koufodinas has got the sixth consecutive prison leave since 2017. His latest "holidays" lasted for six days, the iEfimerida media outlet reported.
According to the media outlet, the Greeks were shocked when saw Koufodinas walking with his son and friends near the places where he and his group staged deadly attacks. Other reports called Koufodinas' walks in Athens a scandal.
Koufodinas was arrested in 2002 and got 11 life sentences over staging deadly terror attacks.