Complex sentence: He stole tools from Bill Webster and let Gary take the wrap for it, only to defend him, this was a way for him to make Gary believe the air was cleared between the pair as they shook hands and made up.
Split into simpler sentences: He stole tools from Bill Webster and let Gary take the rap for it, only to defend him. This was a way for him to make Gary believe the air was cleared between the pair as they shook hands and made up.