Zhège piànzi shì gè wúchǐzhītú, piàn le hěnduō lǎorén.
This fraudster is a shameless scoundrel who cheated many elderly people.
Tips
memory
无 (without) + 耻 (shame) + 之 (structural particle) + 徒 (person; follower): a person who has no shame. 之徒 is a classical pattern meaning a person of this type.