[3] Helal was the general secretary of the Bangladesh Jatiotabadi Chatra Dal Mohammadpur Thana unit.
[8] Helal was involved in the murder of KM Ahmed Raju, ward commissioner of Dhaka, killed on 1 October 2002.
[11] Brigadier general Syed Iftekhar Uddin, Inspector General of Prisons, was threatened after he transferred Helal, Killer Abbas, and Khorshed Alam Rasu outside of Dhaka from Kashimpur Central Jail in June 2016.
[12] Helal was released after the Sheikh Hasina led Awami League government was overthrown on 5 August 2024.
[13] The Daily Star expressed concerns over public safety after he was accused of being involved in murder after his release.