The socialite and television personality was arrested Saturday in Palm Beach, Florida

By Charlotte Triggs and Aurelie Corinthios
Updated April 12, 2016 01:35 PM
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Credit: Slaven Vlasic/Getty

Days after socialite and reality television personality Tinsley Randolph Mortimer was arrested for trespassing at sugar heir Nico Fanjul’s home, questions about the nature of their relationship remain.

A source close to Mortimer tells PEOPLE that the two “have been in an on-again, off-again relationship for over three years.”

“They’d had a tumultuous relationship but they were seeing each other as recently as this past week,” says insider. “I’ve personally seen the ‘I love you’ and ‘I miss you’ text messages from Nico from just days ago.”

Things were less cordial on Saturday when, according to a police report, Mortimer was “crying and screaming irrationally” on Fanjul’s property in Palm Beach, Florida.

The police report also stated Fanjul claimed Mortimer was his ex-girlfriend and said he was inside the house with his new girlfriend but did not have Mortimer’s belongings (she specifically claimed he was holding on to her purse).

One insider told PEOPLE Monday that Mortimer (formerly Mercer) and Fanjul, son of sugar baron Alex Fanjul, were dating but had broken up and that Mortimer “cannot get over it.”

Another source who was formerly close to the star told PEOPLE Monday that news of Mortimer’s arrest this weekend was “shocking.”

“Men were always interested in her and I never saw her be over-eager,” said the source. “She’s very attractive, she’s got everything a guy would want. I saw so many guys circle around her and so many guys pursue her and she never was one of those girls that really wanted a guy she was always being pursued, she was never the pursuer.”

Mortimer, best known for the CW’s 2010 series, High Society, has retained attorney Matt Morgan and retired chief judge Belvin Perry to explore all legal options and remedies available.