By Krisztina Than BUDAPEST (Reuters) -She speaks seven languages, has a PhD in particle physics, an apartment in Budapest plastered with her own pastel drawings of nudes, and a career that took her around Africa and Europe doing humanitarian work.

The attack on the militant group has prompted several investigations into the supply chain behind the devices that detonated this week.

The pager and walkie-talkie attacks were extremely sophisticated in their planning. But the strategic goal isn't clear.