Syrian forces are almost certainly capable of pinpointing the location by electronic signatures from mobile and satellite devices. Reports circulated of Syrian military orders to find and specifically target the journalists' secret location, not long after emotive, live television reports exposed the suffering there in real time.
"I watched a little baby die today," Marie told the BBC from Homs Tuesday night, just hours before the shells and further disaster struck. "Absolutely horrific, a 2-year-old child had been hit.... The doctor said, 'I can't do anything.' His little tummy just kept heaving until he died."
It is a small group whose members have shared historic moments as varied as the 1991 Gulf War and conflicts in Somalia, Rwanda, Bosnia, Kosovo, East Timor, Afghanistan, and Sri Lanka. And of course Iraq, endlessly.
Like most of us who have willingly inhabited the world's war zones, Anthony and Tyler, Marie and Remi, were and are motivated by a powerful impulse to tell the stories of those who suffer and fight under the most appalling circumstances; to shed light into the darkest places.
Speaking at a memorial service for fallen journalists in London in 2010, Marie noted the dangers: "We always have to ask ourselves whether the level of risk is worth the story. What is bravery, and what is bravado?" she said. "Journalists covering combat shoulder great responsibilities and face difficult choices. Sometimes they pay the ultimate price."