Stephen Port preyed on young men though his grindr account, he spent hours searching web porn, a predator and he was to take the lives of four much-loved young men. The sisters of one victim chose to take on a challenge; to prove their brother, Jack, had not died from a self-inflicted overdose, as claimed by the police, but had been murdered, along with three other men.Stephen Port preyed on young men though his grindr account, he spent hours searching web porn, a predator and he was to take the lives of four much-loved young men. The sisters of one victim chose to take on a challenge; to prove their brother, Jack, had not died from a self-inflicted overdose, as claimed by the police, but had been murdered, along with three other men.