Most commentators feel that simply by mentioning crime in PMQs today that Jeremy Corbyn had the stronger performance.
https://labourlist.org/2018/02/pmqs-may-on-trial-as-corbyn-attacks-criminal-tory-austerity/
One important exchange that isn’t mentioned in the main article was between Vince Cable and Theresa May where the PM had the opportunity to say that the NHS was not up for sale in regards to UK/US trade – unfortunately she didn’t say anything of the sort. The Independent have reported on this, here’s a link.