Last attempt to add photos

Question

See pics

• 
• 
• 
• 

Answer 1

Ok, now I see what is going on. This is a severe infection. Although it is more common in raspberries, it can still happen to blackberries too, as they are closely related. Here is an article for more information: https://www.gardeningknowhow.com/edible/fruits/raspberry/raspberry-bushy-dwarf-virus.htm