WPP Hires Lawyers to Probe Emails Sent to Current, Former Employees Following Martin Sorrell’s Exit

Erik Oster contributed to this report. WPP has hired two outside law firms to investigate several anonymous, encrypted emails sent to its current and former employees, which came from a WhatsApp group that included onetime executive assistants to Martin Sorrell, the holding company's founder and ex-CEO who abruptly stepped down in April, the Financial Times...