The husband of a New Jersey woman who was killed by a rampaging hippopotamus during the couple’s trip in the African country of Zambia last year is suing the safari tour operator, alleging negligence.

A New Jersey man whose wife was killed in a horrific hippopotamus attack last year during a safari in Africa is suing the U.S. company that arranged the trip, alleging it failed to ensure their safety and did not adequately screen and supervise the tour guides.

A safari trip in Zambia turned deadly when a hippopotamus fatally attacked Lisa Manders of New Jersey. Her husband says the company is to blame.