The strange deaths

 After hearing the news of the waiter's death it made Sinclair realize how much danger Venessa was in because of the Grey family. He never knew they would take so much effort to clean their tracks.

 Sinclair's phone vibrated attracting his attention. He checked to find out it was an email from Inspector Mark.

 Sinclair opened the mail attachment and was stunned by the information that was sent to him.

 Three of David's victims had lost their lives, all of their deaths were strange and unexpected.

 Scrolling through the file which was probably confidential Inspector Mark Which sent to him since he works for the police force as a hired detective of special cases due to his exceptional hacking skills.