I have total faith in this one. For various reasons. I think LE are holding a lot more intel than they've publicised. Plus this crime has spoken to the hearts of the whole world and we can see that the families / parents are decent loving educated well spoken people not gangbanging losers or some kind of mafia types who are lost to this world - people want justice for those parents and those siblings. Also both families are working with detectives, not something that would happen in a more degenerate alienated community.
Most of all the heinous and excessive crime of shooting that poor young girl, barely beyond a child herself who was expecting a much loved and welcomed baby, is just disgusting and shame on any gang who would conduct business like that, if it was a 'hit'. I think people will go the extra mile to provide suspects to LE and give up information in confidence because of little baby Fabian, a viable healthy baby, all ready and set to be born. May they all rest in peace.
The heavy dude is really distinctive, there's bits of unsubstantiated tittle tattle floating around in the realms of social media that may or may not be true but if it is, this situation was 'personal' and there may be quite a lot of witnesses or rather people who were aware of dynamics.
I truly believe justice will be served.