Home Entertainment Game Technology I wrote a $500,000 check for my son’s wedding.But his pregnant bride didn’t look at my son when I handed her the deed. She looked straight at my wife. Two days later, the restaurant manager called me, and whispered, “You need to see this immediately. Come alone. And whatever you do, do not tell your wife.” My blood ran cold. And the secret behind it shattered my world.

But I was not idle. While she planned my funeral, I planned her ruin.

Through burner phones and late-night meetings in empty parking garages, Ms. Sterling moved my empire into an impenetrable fortress. The toxicologist confirmed the presence of lethal digoxin levels in the residue I smuggled out in a thermos. I secretly submitted my DNA and a hair sample from my hairbrush—and one from Reverend Marcus, lifted from a discarded coffee cup after his Wednesday visit—to a private lab.

The hardest part was playing the fool when my son, Preston, came to visit. He would sit across from me, talking about his new startup ideas, completely oblivious—or so I thought—to the