A Blantyre pensioner sent sick messages to an undercover police officer posing as a 12-year-old girl.
When serial offender George Patterson was detained, child abuse images were found on his phone.
The 72-year-old retired taxi driver, of Burnside Crescent, appeared from prison by videolink at Hamilton Sheriff Court.
He admitted downloading indecent images and attempting to direct sexual communications at a person he believed to be a child.
It’s his third conviction for having indecent images of children.
Patterson is already serving a 16-month sentence for possessing child porn.
Previously he was given a community payback order for a similar offence.
In the latest case, the court heard Patterson was on bail when he logged on to an internet chat site using the name ‘Hot Crank’.
He sent disgusting messages to a police officer posing as ‘Jess’ over two days last August.
Neil Thomson, prosecuting, said: “‘Jess’ informed him repeatedly that she was only 12 years of age.
“Without prompting, the accused sent her a picture of a young girl posing in a bikini.
“There followed one-way sexual dialogue and at one point Patterson asked if she’d had sex with a boy.”
Later police searched his home and found seven indecent images on his phone.
Sheriff Alasdair MacFadyen deferred sentence until next month for a criminal justice social work report and a risk assessment.
Paterson was jailed and put on the sex offenders’ register for an indefinite period in December.
He had been caught with 26 indecent images of children and 58 video clips showing sex acts between humans and animals.
