R.I. Gen. Laws § 33-1.1-8: Interest subject to life of decedent.

Any interest in property, whether vested or not, held by the slayer subject to be divested, diminished in any way, or extinguished if the decedent survives him or her or lives to a certain age, shall be held by the slayer during his or her lifetime or until the decedent would have reached such age but shall then pass as if the decedent had died immediately thereafter.