Jordan Monaghan, 30, of Blackburn, who is also accused of smothering his two young children, is said to have bought the potent prescription drugs tramadol and diazepam himself.
An alleged triple killer told police he did not make calls or send messages from his phone to buy prescription drugs on the black market, a court heard.
A father accused of murdering his partner by poison and smothering his two children went to collect his phone from the car while his auntie battled to save her life, a court heard today.