Dated but ok,
This review is from: The Boston Strangler (DVD)
A film of its time with its usage of split screens, this actually works well in showing multiple police activity and public response that would have taken too long being shown serially.
Henry Fonda is good and sets a higher level than Tony Curtis would usually aim for but this is still not a great performance by Curtis and well below The Sweet Smell of Success.
May be over long as covers quite a few dead ends and blind alleys that the police covered but presumably this was to show that they didn't just pick the end suspect as a quick fit up.