"Ambulance chaser" is also a literal term for funeral directors who solicit business from dying individuals. They can often be found in situations where there is an imminent death coming. They earn commissions from the funeral service provider they work with.
The term is also used as a derogatory term in the media, used against reporters to imply they attempt to find the news once it has happened and, use hear-say, rather than being at the event which took place.
Law: Where There's Blame. ; in the Second Part of Our Investigation into the Compensation Industry, JON ROBINS Assesses the Legacy of Claims Direct, the Once- Thriving `Ambulance-Chaser' That Is Now Terminally Ill
Oct 01, 2002; There will have been few tears shed by lawyers at the news that the receivers were finally called in to Claims Direct last month...