Mark: Nov. 28, 1965
David: Sep. 11, 1967
Funny how Malik didn't know David's b-day and placed it in 1968. According to Maraniss' interview with Ruth, Malik known as Bobby at the time, was living at the house with BHO Sr. and Ruth in 1967 (page 202).
One day it will cross your mind that the extra boy living with the kenyan and Ruth in Nairobi was the same boy they are photographed with, in which photo she’s holding her son Mark who was born in 1965.
And they account for him by telling the locals that was MALIK.
Slowly - baby steps.