"When I spoke in New York City in April 2018, the hate mail had crossed into death threats and so an armed security officer stood outside of the room while I spoke about a twelfth-century Sanskrit text." https://twitter.com/AudreyTruschke/status/1306315276036853761

This is a professor of history and Indian civilization in particular. It wasn't Muslims giving her death threats in this case but Hindus

"In 2003 and 2004, vigilantes used the acknowledgements of Laine’s book Shivaji as a roadmap for people to attack. They literally blackened the face of one Sanskrit scholar whom Laine thanked in his book. A mob vandalized the Bhandarkar Oriental Research Institute.."