Apartment Next Door

Jane Strong is jolted awake by the sound of two men racing through the night, followed by the chilling crack of a gunshot. The next morning, she learns that one of the men, who was pursuing her neighbor, has died by suicide. But Jane knows the truth—shes the only witness to what really happened. Now, the United States Government is enlisting her help to track down a murderer. The question looms did the neighbor kill him? - Summary by SaraHale