No, Hans certainly can't send anybody to hunt down Anna (let alone be seen to be trying to hunt down Anna!) -- I was thinking that he could send out a fake rescue expedition to take action against Elsa but with orders to 'fail' to rescue Anna, but you're right that there's no-one he could trust with such covert orders.
Although ironically there is, but it's someone he doesn't know about; it would be neater for the two lots of 'bad guys' to tie up together, but that would presumably be a massive giveaway. I'd have thought that as Prince Hans of the Southern Isles he'd have at least a couple of personal attendants, if not a native ship's crew to rely on... but as the very-much-youngest son, presumably the thinking is that he has arrived in a purely personal capacity as an adventurer aboard a foreign ship rather than as the representative of the Southern Isles to Arendelle (which is what I initially assumed; I mean, if a Prince arrives among all the other delegations of notables from foreign countries, you naturally conclude that he has been sent in an official ship to represent his parents' interests!)
If Hans is an evil schemer, than the putative murder victims are just unfortunate collateral from his point of view: he can simply let it be assumed that there was no way he could have saved them from Elsa's powers (no-one else showed any signs of inspiration, after all) and act helpless and outraged afterwards. (From the Disney morality point of view, I'm afraid the men are 'villains' and hence fair game :-p)
I've only seen the film the once and haven't made a study of the script, etc., so these are just the outraged reactions I remember having while the film was actually running -- it's possible that there were things I've missed. (But I've subsequently had a look on the Net and found that there were a lot of people complaining that there was simply no foreshadowing of any kind for Hans' actions -- so if I'm missing it, I'm far from being the only one.)
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Although ironically there is, but it's someone he doesn't know about; it would be neater for the two lots of 'bad guys' to tie up together, but that would presumably be a massive giveaway. I'd have thought that as Prince Hans of the Southern Isles he'd have at least a couple of personal attendants, if not a native ship's crew to rely on... but as the very-much-youngest son, presumably the thinking is that he has arrived in a purely personal capacity as an adventurer aboard a foreign ship rather than as the representative of the Southern Isles to Arendelle (which is what I initially assumed; I mean, if a Prince arrives among all the other delegations of notables from foreign countries, you naturally conclude that he has been sent in an official ship to represent his parents' interests!)
If Hans is an evil schemer, than the putative murder victims are just unfortunate collateral from his point of view: he can simply let it be assumed that there was no way he could have saved them from Elsa's powers (no-one else showed any signs of inspiration, after all) and act helpless and outraged afterwards. (From the Disney morality point of view, I'm afraid the men are 'villains' and hence fair game :-p)
I've only seen the film the once and haven't made a study of the script, etc., so these are just the outraged reactions I remember having while the film was actually running -- it's possible that there were things I've missed. (But I've subsequently had a look on the Net and found that there were a lot of people complaining that there was simply no foreshadowing of any kind for Hans' actions -- so if I'm missing it, I'm far from being the only one.)