Hmm, interestingly here in Sweden we have "free evidence" (way of gathering is not considered even if "illegal", however someone doing something illegal to obtain it could instead be charged separately).
As such in a case like the Salinas one, being silent or "pleading the fifth" would be moot as both would just indicate "deafening silence" to the judges since the defendant had been cooperative up until that point.
(the Swedish judicial system has no juries, instead there's a professionally learned judge and 2 "laymen judges" appointed from political parties acting as the peoples representatives, if that triumvirate fucks up, higher courts can and often will kick rulings back down for retrials).
Interesting, did not know this. The “right to remain silent” has a long history here, and I think it’s important. The biggest reason for its continued existence, IMHO, is to shut down overly aggressive, threatening, or manipulative questioning. It’s easy for trained investigators to bully someone into a false confession, or even just a misstatement that could be turned against them. Having the right to shut up and pass future answers through a lawyer makes perfect sense in the face of this.