Waikato University staff hope security footage will help police track a man who attacked a young woman in broad daylight at the Hamilton campus yesterday.

Former cop and convicted rapist Brad Shipton has a rare and aggressive form of dementia.

The police inquiry into Sir Cliff Richard came under mounting criticism after Dominic Grieve called its handling of the case "odd" and "very questionable".

Police say several people have "provided information" after the Berkshire apartment of singer Sir Cliff Richard was searched in connection with an alleged historical sex offence.

A couple of years ago, I was out in the early hours of the morning after I'd MCed a conference.

Kim Workman writes: The Cabinet's agreement to establish a child sex offenders' register, but to limit it to government agency access, is a cautious step in a dangerous direction.

New Zealand's first sex offender register has been signed off by Cabinet, but will only be available to agencies and not the general public.

Convicted sex offender Alan Rubick was highly manipulative and skilled at identifying young vulnerable boys, the High Court at Wanganui was told.

A GP who visited a female patient at her work, pulled down his pants and asked for oral sex is fighting to keep his name suppressed.

I was wrong when I claimed that leading politicians knew the name of the "prominent" New Zealander hiding behind name suppression. David Cunliffe did not.

An Auckland school failed to act on concerns raised by two teenage students who felt unsafe around their teacher - six years before he was arrested for sexually grooming one of them and other underage girls.

Failure to pass on information at school’s management level was critical to the overlooking of allegations made by students.

Evidence from a cell phone has been used for the first time to convict a person of possession and making a copy of objectionable material.

Prime Minister John Key has come under fire for refusing to apologise to the victim of an alleged sex attack involving a Malaysian diplomat.

I have reluctantly concluded that NZ does suffer a rape culture. Men can commit sex crimes and get away with it, writes Rodney Hide.

A 16-year-old girl was picked up off an Auckland street and sexually and physically assaulted for three hours, police say.

The Labour leader apologised for being a man and the lid came off a sizeable can of worms, writes Patricia Greig.

Northland has been rocked by another alleged sexual crime committed by an employee at one of the area's schools.

The Rolf Harris convictions have left people puzzled: how did he get away with it for so long?

The diplomat who left New Zealand after being charged with sexually assaulting a woman will be brought back at Malaysia's expense.

Derryn Hinch wants to be able to turn on his mobile phone and see the names of all sex offenders in the neighbourhood.

The call for public registries of convicted sex offenders is a kneejerk response to an entrenched problem of sexual violence in our country.

Opposition parties attacked the terms of reference of the sex case inquiry, released yesterday, for not specifically identifying the role of Mr McCully for scrutiny.

Last night an online petition calling for Mr McCully's resignation had gathered over 250 signatures, including someone claiming to be Conservative Party leader Colin Craig.