OK time to come clean Who said I supplied Jeremy with sleeping pills in order to kill his entire family?
He said they did not work and had changed his mind, as there were valuables that he didn't want to destroy. The idea being to burn down the farm.
Now the same question, was that aiding or abetting a criminal action.
I think the answer is yes.
You're right, Buddy......................in theory

There are some questions which need answering first, though

First off, young female goes to her doctor and complains of uni/work related stress which is making it difficult for her to sleep, so please could he give her something to help her through this difficult phase. Is he really going to give her enough pills, of high enough strength, to do serious damage to several people, bearing in mind Jeremy wanted to get rid of the entire family. Second, how is Jeremy going to grind up enough of these pills -plus find something acceptable to dissolve them into, which will make them palatable- to supply the whole family with them? In all probability, it's likely that Julie's doctor gave her no more than a few days worth of pills, of a strength commensurate with her having the sort of sleep which didn't leave her feeling drunk and incapable the next day.
THIS must surely raise the speculation that Julie was fully aware of this. That she felt perfectly safe about taking the pills to Goldhanger. COULD she have thought that if he tried -and FAILED- he'd give up on the idea? The other idea which occurs to me is that, at that stage, Jeremy wasn't entirely serious about carrying out his dastardly plan. That he never actually got round to testing it out. Could it be that Julie's plan to prevent it, MAY have been the trigger for him to put it into action?