Potential plunder cases against high officials flying overseas?

Loren Legarda - France
Leandro Leviste - France
Zaldy Co - France
Pia Cayetano - SG -
Allan Cayetano - SG - Taguig City flood control and reclamation projects
Lani Cayetano - SG - Taguig City flood control and reclamation projects
Bato dela Rosa - unknown

Who else is considered a flight risk and should be given a travel ban?