The phrase "allegedly visiting" is correct and usable in written English.
It can be used when discussing claims or accusations about someone's actions that have not been proven or confirmed.
Example: "The report stated that the celebrity was allegedly visiting a private island during the scandal."
Alternatives: "reportedly visiting" or "supposedly visiting".
Magistrates are investigating a possible call-girl ring, some members of which allegedly visited Mr Berlusconi in Rome.
He found it while cycling with his sons less than 250 yards from an industrial unit allegedly visited by Mercer and his co-accused hours after Rhys's murder.
Another story had Christian somehow escaping the island (perhaps on the ship of one Captain Folger in 1808) and secretly making his way back to England, where he allegedly visited his relatives in Cumberland in 1808 09 and was seen on the streets of Devonport (now a part of Plymouth).
He allegedly visited some of the victims before stealing from them, police said.
Laparra, who manages Club Deportivo Castellon -- a popular Spanish soccer team -- allegedly visited Martin's home to get a refund.
In October, he allegedly visited a Home Depot in the Bronx and a 99-cent store in Manhattan to gather bomb-making supplies, according to prosecutors.
Estrada allegedly visited Cobos' shop three times that day to have his Mustang cleaned and detailed, but the shop was too busy.
That month, Lauren Spierer's father, Robert Spierer, told the Journal News he is frustrated with the case and reached a conclusion about Rossman -- the student his daughter allegedly visited before she went missing.
This is allegedly where visiting fashion editors head for their own children's clothing, and you'll be able to satisfy your junior fashionistas here.
He was reported to have been shot in the leg after his car came under fire when he was travelling back to Kiev, allegedly after visiting Yanukovych in Crimea.
