This story is full of holes.
Not that many. He'd bought ski masks and texted his brother to clean out the car boot to remove any traces.
Anyway, Łukasz Herba has been found guilty in court and received a sentence of 16 years. He does of course have the right to appeal.
The authorities in Italy are trying to extradite his brother Michał Herba.
theguardian.com/uk-news/2018/jun/11/chloe-ayling-kidnap-plot-prison