Collins stayed silent as he walked out of the court and got into a waiting car after hearing the verdict.
Detective Inspector Justine Jenkins led the investigation for Hertfordshire Police:
The victim was extremely brave in coming forward to report the offences inflicted upon her. I would urge anyone who is or has been in a similar situation to get in contact with police as soon as possible. I can reassure you that you will be taken seriously and treated with sensitivity.
More top news
A train carrying what looks like coal has travelled from North Korea into China, if this is the case it would be breaching an embargo.
A confidential document seen by ITV News reveals the details of a deal between F1 and its regulator which could amount to bribery.
Three "suspicious mail packages" containing a "white powder" have been sent to political offices in Scotland, the Scottish Parliament says.