Investigations: Between Two Fires

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Marina Oswald, 22, sat at a table in Parchey's Restaurant in Washington. Ten feet away were two vigilant Secret Service agents. Slight and slim at about 5 ft. 2 in. and 98 Ibs., she had had her .hair set in a beauty parlor—something her late husband would not have allowed. She wore touches of makeup—something her husband had frowned upon. She lit a cigarette and smoked it—something he had disapproved of.

Lee Harvey Oswald had disapproved of drinking too. Now she asked for a vodka gimlet but did not like it. She...