The Latest on the arrest of two men in the 1973 killings of two California girls (all times local):

5:40 p.m.

An Oklahoma man suspected in the killing of two California girls in 1973 has been denied bond.

Authorities say 65-year-old Larry Don Patterson of Oakhurst appeared for a bond hearing Wednesday. Patterson and his cousin, 65-year-old William Lloyd Harbour of Olivehurst, California, were arrested Tuesday.

Creek County District Attorney Max Cook says Patterson was denied bond but indicated he would waive extradition to California. Cook says the judge set a Sept. 20 hearing.

Patterson and Harbour are suspected in the shotgun slayings of 12-year-old Valerie Janice Lane and 13-year-old Doris Karen Derryberry.

Authorities say the girls were driven to a wooded area near Marysville, California, north of Sacramento, and shot at close range. The girls went missing after going on a weekend shopping trip.

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1 a.m.

Authorities say it was an investigator "with a bit of free time" who decided to send DNA samples from a long-dormant California cold case to a lab for new testing.

That led investigators to arrest a pair of men linked to the 1973 shotgun slayings of two young girls in California.

Police in Oklahoma and California arrested the two 65-year-old suspects Tuesday for the killings of 12-year-old Valerie Janice Lane and 13-year-old Doris Karen Derryberry.

Authorities say the girls were driven to a wooded area near Marysville, north of Sacramento, and shot at close range. The girls went missing after going on a weekend shopping trip.

California's Yuba County Sheriff's Department says federal authorities aided in the Tuesday arrests of 65-year-old Larry Don Patterson of Oakhurst, Oklahoma, and 65-year-old William Lloyd Harbour of Olivehurst, California.