How does IS claim responsibility for a terrorist attack?
- Written by Monica Duffy Toft, Professor of International Politics, Tufts University
An Iraqi soldier inspects a train tunnel adorned with an Islamic State group flag in Mosul, Iraq. AP Photo/Khalid MohammedNews outlets have reported that the Islamic State claimed responsibility for a terrorist attack on a London Bridge June 3.
But how do they know? And how reliable are such claims?
We asked Monica Duffy Toft, an international...
Read more: How does IS claim responsibility for a terrorist attack?

