Under the Silver Lake review - fascinating LA noir folly
    
      
  
  
  
An indulged director shoots for the moon in a seriously shallow conspiracy thriller
Disappointment is instant, anyway. David Robert Mitchell’s second film, It Follows, was a teenage horror tragedy of perfectly sustained emotion. His third, Under the Silver Lake, seems superficial and scattershot, a callow effort at a magnum opus, in which the former work’s feeling is replaced by pop culture riffs.