Any other anime like this?
Not really. If you want somthing similiar you should read Naoki Urasawa's other stuff like Pluto or 20th Century Boys
>>363773
JJBA part 4: Diamond is Unbreakable has the main characters chasing a serial killer too but it's completely different in regards to tone
>>363773
millenium actress, perfect blue, paranoia agent
You might like Mouryou no Hako
Kaze no Yojimbo