Lawyers for the families of three men killed in a police shooting in Malacca have called out the authorities over their failure to question the alleged perpetrators from within their own ranks.

In a statement, lawyers Rajesh Nagarajan and Sachpreetraj Singh said the police’s latest update confirmed that investigators have so far only recorded statements from three family members and four medical officers, which amounted to a damning self-indictment.

“This omission is...