kim howe 's two adult stepchildren are said to be considering suing the former olympic athlete turned reality television star following .
mrs howe was driving a white lexus , which jenner 's cadillac escalade rear-ended on a segment of the pacific coast highway in malibu , california , on february 7 .
the two step-children are said to have ` lawyered up ' , because they are the only people who could launch a wrongful death suit .