Shadow Home Secretary Yvette Cooper told ITV News it was "astonishing" Theresa May did not know whether a terror suspect who escaped surveillance by wearing a burqa had his passport with him.
On-the-run terror suspect Mohammed Ahmed Mohamed, who is seeking damages from the Government over torture allegations, reportedly cut off his monitoring tag with a sharp object before fleeing.
Ms Cooper said: "The idea that the Home Secretary doesn't know even whether he has his passport or not is astonishing.
"It's another sign that the TPims regime Theresa May brought in - that weakened the controls - is simply not working."
More top news
A senior nurse who filmed himself raping unconscious patients at the John Radcliffe Hospital, Oxford has been convicted.
Ed Miliband faces a backlash over his party's use of quotes from some of Britain's biggest businesses to warn about the risks of an EU exit.
David Perry told police he had been worried about what he might do because of his high hormone levels after the break-up of a relationship.