Perform an action after a user is deleted with access to additional user data (role, name, email, etc) in addition to user ID. (WordPress)

wp-after-delete-user.php

<?php
/*
* The deleted_user hook fires after a user is deleted and receives
* only one arguement, the $user_id but there is no way to check, 
* based on the $user_id, if the user belongs to a specific user role
* as the user no longer exists. Solution: add deleted_user action within
* the delete_user callback function which fires prior to a user being
* deleted and inject a closure on the deleted_user callback.
*
* http://wordpress.stackexchange.com/q/99959/13418
* WordPress, Requires PHP 5.3+ 
*/

function after_delete_user($user_id) {
    $user = get_user_by('id', $user_id);
    $role = $user->roles[0];
    if ($role == 'subscriber') {
        add_action("deleted_user", function(){
          //your logic here... (e.g. redirect, notify admin, etc)
        });
    }
}

add_action("delete_user", "after_delete_user");