A to Z Challenge - G is for Grandma

The A to Z challenge is to write a daily blog post centred around a different letter of the alphabet each day. I will attempt to write a complete story which will continue each day and hopefully draw to a conclusion when we get to Z.
For previous posts click a letter - A , B , C , D, E ,F
 

‘You have to call the police’, Davey said as they entered the house.
‘The text said no police.’ April threw her bag down in the hallway and stomped through into the lounge.
‘But the police already know abou...