Billionaire Bill Ackman donated $10,000 to a fundraiser for the family of Alex Pretti, who was fatally shot by immigration agents in Minneapolis over the weekend, the Wall Street Journal reported, citing a spokesman for Ackman. The GoFundMe page intends to support Pretti's 'loved ones' and has raised over $1.5million as of Tuesday morning. #billackman #billionaire #minneapolis #usa #minnesota