Sherlock: Death on the 4th of July

Emergency: 911, what’s your emergency? Gardener: Yes, hello. We’ve found a dead body in the Rockvalley family’s property. Emergency: May I have the address, please? Gardener: It’s here, in Rockvalley’s property. Emergency: In the Rockvalley Manor? Gardener: Yes, yes. I found him hidden in the bushes, in the middle of the grove. Emergency: Have you checked his vital signs? Gardener: I can assure you it’s not necessary, this guy is as dead as a doornail. Emergency: Do you know the victim? Gardener: I don’t know. He’s a white male. He isn’t part of the family. Mr. and Mrs. Rockvalley and the children are fine. Emergency: Whom am I speaking with, please? Gardener: I’m William Greggs, the gardener and grounds keeper. Emergency: Very well. There’s a police car on its way. Gardener: Thank you. After finding a dead body in a grove, the police asks for your help to discover what happened. Who did it? How? Why? Follow the clues with your team of detectives to answer these and many other questions. Will you solve the mystery of the Rockvalley Manor?