The Good, the Bad, and the Dominatrix - S7-E23
Continuity mistake: When Sara takes the photos of Lady Heather's neck bruising you see 2 distinct ligature marks. When Brass serves her with the search warrant you can see only the remnants of one ligature mark, then when she is in Brass' office later she again has 2 ligature marks.
The Good, the Bad, and the Dominatrix - S7-E23
Other mistake: In episode "The Good, the Bad and the Dominatrix" When the son goes to the bank he tells the manager that there was a million dollars in that account last week, there was 843,508.00 taken out leaving a balance of 31,053.86. That only adds up to 874,561.86. Not a million dollars. He doesn't say close to a million dollars He says there was a million dollars in that account.
The Good, the Bad, and the Dominatrix - S7-E23
Other mistake: In episode "The good, the Bad and the Dominatrix" When the night watchman is found dead, they say he was shot in the back, there is no bullet hole in his coat.
Answer: He doesn't have the authority to arrest him - when anyone is arrested in the show, a police officer does it. Also he tells Ty that he is going to be submitting his case findings to Ty's insurance company, who would no doubt contact the IRS, who then would have him arrested for fraud etc.