GETTYSBURG, PENNSYLVANIA, Oct 31: As pre-Halloween witches and ghouls sprout up on US lawns, experts are warning people to be wary of modern occult scammers who have moved online to hawk virtual voodoo dolls, revenge spells and otherwise “haunted” items. While the idea of spending money for a magic spell – to help with an endeavor or to inflict pain on an enemy – has been around for centuries, experts say the anonymity of online transactions can encourage people who would otherwise never think of visiting a storefront psychic to fall for a con. (agencies)