By then Zodiac claimed fourteen victims although only five were attributed to him .
In 1970 he found communications more than a year old from the Riverside police , which indicated a resemblance to the Zodiac 's handwriting style .
Zodiac claimed fourteen victims although only five were attributed to him .
In 1970 he found communications more than a year old from the Riverside police , which indicated a resemblance to the Zodiac 's handwriting style .