t wasn’t long ago that a memorable picture of a nanny and two children was splashed across every TV screen. The story? An Upper West Side nanny accused of slaying two children under her care. Jonathan Gilliam, a former Navy SEAL, says it was that horrific case that lead to his idea of making homes safer, by thinking about retired female veterans in a new light. “Nobody ever thinks about using them as nannys,” Gilliam said.