UPS truck driver arrested under suspicion he committed several shootings on Interstate 5 between California and Oregon over the past three months

He was just arrested and charged with attempted murder after shooting a woman:

“Oregon State Troopers have been diligently investigating these shootings since May 12 and recently believed that a UPS truck could be involved,” a statement from OSP read.

...

is alleged to have been involved in similar highway shootings on May 12, June 2, June 15, June 22, July 7, July 9 and Aug. 19 in Josephine, Jackson and Douglas counties.