An FBI spy who infiltrated the Real IRA was involved in picking up runaway teenage girls to sleep with and “keep like puppy dogs”, the Omagh bomb civil action has heard. Lawyers for jailed terror chief Michael McKevitt likened David Rupert to an iceberg, with nearly all of his treachery unexposed beneath the surface. Rupert was a con-man prepared to do anything short of murder, and anyone who tangled with him came off badly, it was claimed.