Dhaka, March 20 -- Thirty years after the deadly sarin gas attack on Tokyo's subway system, survivors and families of victims continue to seek justice and closure.

On March 20, 1995, members of the Aum Shinrikyo cult released sarin nerve gas in packed subway trains, killing 13 people and sickening thousands. The attack, one of Japan's worst acts of domestic terrorism, shocked the nation. The cult's leader, Shoko Asahara, and 12 senior members were executed in 2018, but survivors say their struggles persist.

Around 1,600 former Aum members still operate under renamed groups and have refused to pay court-ordered compensation to victims. Families of those killed, like Shizue Takahashi, whose husband was a subway station worker who died sav...