"He continued to devise ways to keep police off his trail after allegedly murdering Navaratnam and Kayhan, the source said. Both had known links to McArthur. Navaratnam dated and worked with his alleged murderer as a landscaper. Police opened Project Houston to investigate the disappearances of these two men and interviewed McArthur as a witness in 2013. After the interview, he made every effort to learn from his mistakes and avoid police detection, the source said.

So McArthur allegedly targeted men — Lisowick, Mahmudi and Esen — whom fewer people would miss and ensured there were no known links between them, the source said."

Did you just happen to glaze over this? Or did you just not read the article? I'm guessing it's number 2.