$this->tokens->moveTokens(
            array_pluck($this->tokens->getTokensOfTypeInLocation('pi_%', 'agentarea_%'), 'key'),
            'box');

        $used_investigators = $this->tokens->getTokensOfTypeInLocation('pi_%', 'agentarea_%');
        if ($used_investigators) {
            $this->tokens->moveTokens(array_pluck($used_investigators, 'key'), 'box');
        }