Arrow keys open mailboxes across an entire area, which is why mail thieves want them. Two new Postal Service inspector general audits found 1,096 of these master keys missing or unaccounted for at four post offices in Seattle and the Las Vegas area, both cities near the top of the national mail-theft complaint list. Here's what auditors found when they counted the keys, and why managers couldn't account for them.

Some of the money had not moved in 43 years. A new HUD inspector general audit found $149.4 million parked in old grants and contracts that HUD could not show were still needed, and in some cases could not even find the paperwork for. In one case, three grantees had no idea money was still waiting for them, and drew it down the moment HUD called. Here's what the audit found and what HUD says it is doing.

The Coast Guard's patrol cutters had fire systems that went off on their own at least 22 times, killing the engines. The fix: zip-tie the system so it can't fire automatically, which means a crew member would have to climb down a hatch to fight an engine fire. A new inspector general report also found a third of the fleet wasn't fully mission capable, and one cutter broke down mid-pursuit and let a suspected smuggling boat escape.

Florida now has its own arrest warrant for Raúl Castro. The no-bond Raúl Castro arrest warrant charges the former Cuban leader, 95, with conspiracy to commit first-degree murder in the 1996 shootdown of two Brothers to the Rescue planes that killed four men. Here is what the warrant quotes Castro saying, why Florida says it has jurisdiction, and how the state case sits on top of the federal indictment.

A Justice Department inspector general found that a then senior U.S. Marshals Service official violated agency policy through an intimate relationship with a subordinate. The official had already retired when the allegations arrived, then declined to be interviewed, and the inspector general says it cannot compel former employees to testify. Here is what the summary says, and what it leaves out.

Days after reports he was living like a VIP behind bars, Sean “Diddy” Combs is out of Fort Dix. The Bureau of Prisons confirmed his move to a Pennsylvania prison but gave no reason. Here is what was reported inside Fort Dix, what the government calls “false,” and where Combs is now.