At least eight agencies are investigating a fire at a Bayer executive’s home as a possible arson, authorities said, as many companies increase security for executives following the killing of a United Healthcare CEO.

A fire at the New Jersey home of a Bayer executive, sparked exactly three months after the assassination of Brian Thompson, is being investigated as arson.

Authorities confirmed an arson investigation at the Madison, New Jersey, home of an executive of global pharma giant Bayer.

The residence belongs to an executive at Bayer, the German pharmaceutical company valued at nearly $50 billion which makes medicines such as Aleve and Aspirin. A company spokesper

The FBI is investigating after a Bayer pharmaceutical executive’s New Jersey home caught fire earlier this month in a suspected arson attack. No one was injured in the March 4 incident, though the home was occupied at the time,