Court man goes to bank, and ask for information about suspect's account.
Court man goes to bank, and ask for taking steps to control suspect's account, such as freeze suspect's account or unfreeze it.
-------------- some background -----------
I am a software developer, and working on a software system that connect courts and banks in our country, so courts can use this system to get account information such as how much balance left and then may freeze suspect's account. all these have legal basis.