Grieving process.......................…

my cuzin was murdered last week she wa shot and they found the gun 3 feet away from her they said it was a suicid whitch isent helping at all becuz befor i was born my uncle was murderd and they cased it as a suicid they hit his head till he died my mom told me abut him anyway im having a reaally hard time becuz i have depression proplems and ocd and anxiety and i have suicidle proplems ..but is there any sites that i can go to to help me threw this grieving process?