The dead man's parents, Rick and Mary Todd, are challenging the police's initial findings of suicide and contend their son may have been killed in connection with his work for Singapore's Institute of Microelectronics, where he researched sensitive technology.

WSJ: FBI Backs Singapore View on U.S. Man's Death

Lt Col Mary Ewing, 45, is feared dead after she became separated from her "buddy" while they were looking for scallops in Weymouth Bay on Saturday.

BBC: Weymouth Bay

To be sure, eldest daughter Mary, who has now wed that distantly related heir, seems dead set on raising her brood in Downton.

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Mary Howell, an attorney suing New Orleans police on behalf of the dead man's family, says there were several potential witnesses living at the Friendly Inn at the time of the shooting.

CNN: STORY HIGHLIGHTS