Attorney says Jackson 's will could be one of several . Probate is the legal process to prove whether a will is authentic and valid . Jackson 's mother , Katherine , has temporary custody of ` ` tangible personal property '' and must go through court to prove its validity .
Attorney says Jackson 's will could be one of several . Jackson 's mother , Katherine , has temporary custody of ` ` tangible personal property '' and must go through court to prove its validity .