public function check($file, $verify = null)
	{
		if (is_string($verify))
		{
			$verify = "lead" . strtoupper($verify);
		}

		$detectives = [];
		foreach ($this->detectives as $detectiveClass)
		{
			if ($detectiveClass::on())
			{
				$detectives[] = $detectiveClass;
			}
		}

		$case = null;

		foreach ($detectives as $detectiveClass)
		{
			$detective = new $detectiveClass();
			$case      = $detective->check($file, $verify);

			if ($case)
			{
				return $detective;
			}
		}

		return false;
	}