Another red flag, or audit point, for us to look for within our data is check numbers that are out of sequence. Typically, an account will have check transactions showing check numbers that are canceled or cashed in order, as an individual or accountant will use the next check number by habit in an effort to keep proper records.
If the check numbers drawn for a particular bank ID, during a short period of time, are found to be more than a few numbers out of the current sequence, it is classified as a suspicious event.
Watson Analytics can help us with this analysis as well. The following is a visualization generated based on the question: What is the breakdown of BankID and CheckNumber?
Excluding data, with a quick glance, ...