a veteran of the united states department of state, ambassador peter "pete" harriman (skipp sudduth) served as the united states special envoy for sudan and south sudan until his resignation in season 4. he was later appointed united states ambassador to the united nations, which he held throughout season 5. in 1998, ambassador harriman was serving at the united states embassy in kampala, uganda during the 1998 united states embassy bombings, during which he was cited for saving lives but lost his girlfriend.