More than 14,000 Iraqi police officers have been killed since the US invasion in 2003.
The IS 'caliphate' centred on Mosul, had its own justice system served, efficiently, by its own police force.
The conflict has put a temporary lid on plans that have been in the making for more than a decade since rich liquefied natural gas reserves were discovered in the Rovuma Basin.
After ten years of conflict and destruction, what is left of Syria and what hope is there for its people?
Attacks on churches and targeted killings of Christians began as Iraq descended into sectarian violence after the fall of Saddam Hussein.
The events that followed the 2003 US invasion of Iraq started a cycle of violence against the country's minority Christian population. The pope's visit is meant to bring some 'healing and comfort.'
Attacks in Austria and France mean that the UK is also on high alert.
The children of Canadians who have left to join the Islamic State are the subject of a fierce debate about Canada's obligation to their repatriation.
President Trump has claimed the Islamic State was completely defeated on his watch – but an analysis of government maps and other reports shows his administration did only half the work.
The need for security agencies and the media to view and present Islam and Muslims as constant potential threats feeds into a dangerously violent and deadly Islamophobia.
Global terrorism has been relatively quiet as the world is consumed by the COVID-19 pandemic. But it is still there, unabated, and we need to do more to stop it.
Nigeria must eschew nepotism and ethnic or religious sentiments in the war against terror.
A legal expert analyses the significance of a Court Appeal ruling allowing Shamima Begum to return to the UK from Syria to fight an appeal against the removal of her British citizenship.
The Islamic State is asking its followers to worsen the global pandemic, and its fighters are celebrating the toll disease and racism are taking on US society.
Seven striking similarities between developments regarding Islamic State today and the period before its surge in 2013-14.
To stem the spread of COVID-19, Turkey is releasing 90,000 prison inmates. Not on the list for release: tens of thousands of academics, journalists and others the regime sees as political threats.
Criminal gangs, insurgents and terrorist groups seek to protect the people in the areas they govern, when a central government's power is weak or nonexistent.
A more robust strategy is needed to manage terrorism funding, especially fund-raising by returning terrorist fighters.
The Pentagon has spent more than $800 billion on military operations in Iraq. But that doesn't include money needed to care for veterans, rebuild the country or pay interest on war debt.
The Islamic State group, often called ISIS, is not just based in Iraq and Syria. A scholar tracks where the group and its affiliates have spread around the globe.