He said Mr Slaboszewski had been living around the Lincoln Road area of Peterborough.
Children's Services in Peterborough said it could not find a record of Ms Johnson's call.
Clarke will be available for Friday's visit of Peterborough, subject to the paperwork being cleared.
But Peter Brewer, group secretary of Peterborough NFU, has criticised the measure as false economy.
BBC: NFU critical of Peterborough solar farm on "prime" land
Robert Moore, 55, of Belvoir Way, Peterborough, has been charged with assisting an offender.
Other raids were at one address in Loughborough and Peterborough and two in London.
On-loan defenders Elliott Ward and Tom Williams will return to Coventry City and Peterborough United respectively.
Peterborough City Council is proposing to build renewable energy parks on three sites near the city.
Farmers near Peterborough have launched a campaign against a council's plan to build solar farms.
Mr Lee, 48, Mr Chapman, 56, and Mr Slaboszewski, 31, are all from the Peterborough area.
BBC: Gary Stretch charged over Hereford attempted murder probe
Meanwhile Darlington have been able to complete the permanent signing of Liam Hatch from Peterborough United.
Ferguson, 37, left Peterborough by mutual consent in November, with the club bottom of the Championship.
John Smith, 23, of Edgerley Drain Road, Peterborough, was sentenced to 22 years for attempted murder.
Darlington's Neil Aspin slipped on 49 minutes, giving Peterborough's Clarke a clear sight of goal.
Peterborough City Council is installing the panels on three buildings over the next few months.
Enterprise Peterborough installed the panels on the former Freemans factory in Ivatt Way in 2011.
"He'll start training again later this week, " Peterborough boss Darren Ferguson told BBC Radio Cambridgeshire.
The Jersey-born player also notched a hat-trick in the 5-1 win over Peterborough on Saturday.
Peterborough magistrates said the offence was so serious a crown court judge must pass sentence.
Patrick Sandeman was killed approaching the landing zone at Sibson Aerodrome, near Peterborough, last September.
The teams were separated in the 68th minute by a goal scored by Peterborough's Andy Clarke.
The raids took place in London, Hampshire, Peterborough, Birmingham, Coventry, Smethwick, Leamington Spa, and Stoke-on-Trent.
Heavy snowfall on Friday afternoon led to trains between London Kings Cross and Peterborough being delayed.
BBC: Cambridgeshire Police warn of ice patches on some roads
The Witches will qualify for the final stages of the competition if Peterborough win.
Also on Thursday Peterborough and Lakeside ride the last Craven Shield group match at Alwarton.
The Fengate station in Peterborough, which also employs 22 people, was built in 1991.
The A1 in Cambridgeshire has been reopened following a fatal plane crash near Peterborough on Friday.
Jay Dhesi played American football for the Peterborough Saxons and coached Northampton University's side, Northampton Nemesis.
Imposing defender Exodus Geohaghon was on his debut for Peterborough and his enormous throw-ins clearly unsettled Middlesbrough.
Since leaving Peterborough, Ferguson has been linked with several managerial posts including the vacancy at Sheffield Wednesday.
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