HEMPSTEAD - Nassau police are searching for answers after a man was found dead at a Hempstead park early this morning. Police responded to an anonymous call just after 1 a.m. this morning at Kennedy Memorial Park. Authorities say it appears the man was stabbed and also suffered severe trauma to his head and neck. Police have not yet identified the victim. No arrests have been made in the case, and anyone with information is urged to call Crime Stoppers at 1-800-244-TIPS.