Crimes of children, from the crossbow student to the 11-year-old rapist: "If at 12 you can choose sex, why not pay for a crime at 14?". The 2nd year ESO student who killed a teacher with a machete in Barcelona, the 13- year-old girl who fatally stabbed her father in Toledo.
None had to respond to justice because they were minors under 14 years of age and had no criminal responsibility. These are some of the most serious precedents.