Complex sentence: These disclosures evidently overawed the constable, who took no further action; indeed, Driberg says, the incident began a chaste friendship with the officer that endured for more than 10 years.
Split into simpler sentences: These disclosures evidently overawed the constable, who decided not to take any further action. Indeed, Driberg says, the incident began a chaste friendship with the officer that endured for more than 10 years.