The Mountains Recreation and Conservation Authority, or MRCA, are in possession of a prodigious amount of hate mail — hundreds of letters from recipients of tickets issued by the MRCA. Tickets, issued by cameras tucked in out-of-the-way parking lots and on quiet roads in local state parks, have been sent to 70,000 stunned visitors in the past five years. The letters also revealed that the Mountains Authority is aggressively peering into Southern Californians’ bank accounts, demanding to know their Social Security income and insisting they divulge their personal spending.