It can be investigated, but there is no guarantee that it will be found, and authorization from the relevant departments is required. If you have the other party’s identity information, you can check your household registration address. If the debtor fails to repay the debt and investigates the debtor's situation, the creditor can entrust a lawyer to investigate, but the lawyer's investigation must be carried out under legal circumstances. According to Article 28 of the "Lawyers Law of the People's Republic of China", lawyers may engage in the following businesses.

1. Accept the entrustment of natural persons, legal persons or other organizations to serve as legal advisors.

2. Accept the entrustment of parties in civil cases and administrative cases, act as an agent, and participate in litigation.

3. Accept entrustments from criminal suspects in criminal cases, provide them with legal advice, represent them in appeals and accusations, apply for bail pending trial for arrested criminal suspects, accept entrustments from criminal suspects or defendants, or As designated by the People's Court, he serves as a defender, accepts entrustments from private prosecutors in private prosecution cases, victims in public prosecution cases, or their close relatives, serves as agents, and participates in litigation.

4. Accept entrustment and represent appeals in various litigation cases.

5. Accept entrustment and participate in mediation and arbitration activities.

6. Accept the commission. Provide non-litigation legal services.

7. Answer legal inquiries and write litigation documents and other documents related to legal matters.