Even if your estate plan includes a living trust, you still need a will. Often not all of your property will be able to be owned by your living trust.  Sometimes this occurs by neglect because you failed to complete the necessary paperwork.  In these situations, your property will need to pass through probate.  Without  a will you would lose control over the assets and they would be distributed in accordance with the states intestacy law.
In addition, your will can provide that your assets going through probate get distributed in accordance with the provisions set forth in your living trust.  This is often referred to as a “pour over will”. By including this type of will in your estate plan, you can ensure that the assets passing to your beneficiaries through your will are protected against claims from creditors and predators.