Oh YES, you bet we can! I've been consciously clairvoyant since the age of 3. My first glimpse of the future via a clairvoyant vision occured when I was 3 - I knew that my parents' house would burn to the ground and I made sure that we were no where near it when it did! And I have honed my skills ever since. I have been asked, by clients, to "see what I can" about a lot of things, including topics of an investigative nature. I have picked up exact names, property descriptions, etc. You would be very surprised at the specific, validating info a real psychic can often "see".
This ability is a gift from God (a rose by any other name...
) , so how can it be unclean? Spells are a form of prayer and ritual. If you're certain that a psychic can only "guess", how can that be sorcery? Oh NO! Anyone who has ever taken a pop quiz is guilty of sorcery! Every high school student in the US should be burned at the stake for practicing the devil's art of guessing!
Technically, seeing your name on a birth certificate means you're going to cross over eventually, and is thusly "fatal".