Lance McCullers received messages threatening his family after one of his starts. Police have determined it was an international bettor.

The police have discovered the party responsible for sending vile death threats to Astros pitcher Lance McCullers.

Houston Police have identified the person behind death threats made toward Astros pitcher Lance McCullers Jr. and his family. The person has been identified as an overseas sports bettor, though police declined to specify which country they were from or provide the person’s name, according to multiple reports.