Our office is working on search warrants for several businesses committing offenses under Chapter 47 of the Penal Code (Possession of Gambling Device/Equipment, Gambling Promotion, etc.). We have the search warrants drawn up based on old warrant that were used in our county and examples from other counties.

Our office's understanding (hopefully a correct understanding, but I am having trouble locating the statutory authority) is that bank accounts with the proceeds from such offenses may be seized. However, none of us have ever attempted to seize money that has already been deposited into a bank account. Has anyone handled that problem before who can give some much needed advice on how to proceed and/or suggestions for what to serve on bank to freeze accounts?

We have some experience with the approach you mention. Out chief investigator has done a great deal of the actual leg work, and can speak to the logistical details of such an operation. He is out this week, but will be back next week. We'll be glad to share forms and anecdotes to the extent they would be helpful to you.