Thoroughly verify the authenticity and credibility of your immigration counsel. Whom you choose to represent you is your choice.
If such a choice is not the right one, you have to deal with consequences, including potential misrepresentation charge against you due to your agent’s misrepresentation of you to CIC. It can be a critical error in your plan to come to Canada in any manner.
Things like this appear in the news from time to time:
People acted as unauthorized immigration consultants, and provided false information to clients and government officials in order to obtain Canadian visas.
via CBC News Toronto