At the start of the trial there was alot of talk about the accused having an obsessive type hatred for TM, based on his defence.
IMO it seems like an opportunist defence ie a female close to his age, who had access to Alesha and also quite likely TMs DNA was found on Alesha or her clothing given that they were staying in the same house, having goodnight cuddles etc.
Also- the idea of it being about cannibus, the accused contacted several other people attempting to get cannibus that night- told his friend he was going to get some. It defiently rings true that his intention was to get cannibus, he contacted RM and TM when he was still at home, at the same time as contacting other people. It is jumping the gun to assume that he contacted them to make sure they were asleep as has been suggested. As far as a disagreement over cannibus debt, or resentment about RM not selling to the accused goes- it doesn't add up at all - the disagreement occurred months prior and the accused was still buying cannibus from them threw his sister, so there isn't a glaringly obvious reason for resentment towards TM or RM.
I have been thinking about what his "trigger" was that night, and I don't think any one has mentioned this yet, but I feel it is significant what was said in his mother's statement about the accuseds sister leaving the party with his friends. It sounds like him and his sister were close - based on them smoking cannibus and her being friendly with his friends.
Just some of my thoughts