The police have no suspects in the case, which followed a series of other attacks.
A string of other attacks, on churches, embassies and other targets, caused additional death and destruction in Indonesia.
The group has also launched dozens of other attacks over the last six months, using a wide variety of tactics.
Unpublished documents with details of other attacks, photofits and suspects that might be linked to Sutcliffe are being examined.
Among dozens of other attacks, Hamas carried out the suicide bombing last Wednesday in Jerusalem that killed 17 people.
Dozens of other attacks have made the street synonymous among the people of Baghdad with imminent death.
A series of other attacks—some by Kurdish separatists, some by ISIS loyalists—has only further legitimized the President's crackdown.
The Dusseldorf bombing, along with a rash of other attacks on foreigners, has provoked much soul-searching.
The account also shared videos taken from the helicopter that killed Ahmed al-Jabari, Hamas's top military commander, and warned of other attacks should Gaza retaliate.
Later reports of other attacks often included allegations that the break-ins were orchestrated by the Chinese, although no proof has been produced.
There have been a number of other attacks with lower death tolls by people wearing the uniforms of the security forces.
