New Delhi, Sept. 23 -- The 17-year-old survivor's ability to recall critical details about her three alleged attackers - their nicknames, clothes, physical appearance and the route they took while leaving the area - helped Delhi Police identify and arrest all three within hours of the gang rape, officers aware of the investigation said on Tuesday. At least two investigators said that the girl who was allegedly held at gunpoint gave investigators a detailed account despite being traumatised. Her descriptions gained significance as they became the sole lead in a case where investigators found that all other factors at the crime scene failed to provide any clear evidence: the CCTV in the park was malfunctioning, there were dark spots throughou...