A worrying situation is brewing with dp's exw. She often sends him texts referring to 'agreements' for care of the dcs that don't exist, to try to make it appear that he is being unreasonable or is going back on a formal arrangement when in fact there is no formalised childcare/contact arrangement between them as yet. This happens when she wants something, like to have the children for a weekend that she was not originally going to. They have a verbal arrangement from when they separated that she claimed they would reassess after a certain period, but she refuses to discuss it and creates large drama/conflicts around any potential change to the arrangements. She either enforces the initial verbal arrangement with rigid inflexibility, or changes it whenever she feels like it to suit her, and then reinforces these changes with these text allusions to 'agreements' that haven't happened, or threats of bringing the police around if he doesn't do what she claims they have agreed
. He backs down to prevent conflict situations for the children as she seems to be prepared to take things pretty far to get what she wants, but he has been trying hard to get her to mediation to formulate something in writing (she has so far balked at this idea).
She also sends texts that relate to verbal disagreements that have happened, sometimes a long time after the event, sometimes soon after, in which she explicitly accuses him of being abusive or aggressive, and often inserts details about these events into these texts that just aren't true. It is quite bizarre and worrying. I can feel that these texts are being positioned and designed in such a way as to present a not very nice picture of him, and he's not sure whether it helps to reply challenging the facts in these messages, or just to ignore them - the same with texts alluding to 'agreements'. Replying potentially engages him in unpleasant text exchanges which he would rather avoid, but not replying presents no alternative to what she is presenting as 'facts'.
He is hoping to resolve things by mediation but if the situation does end up in court, how much weight might these kinds of messages carry? Would he need to prove that the contents of these messages are not true and how could he do this?