The family of the illegal immigrant accused of dragging a Milford man to his death last summer will be questioned by authorities.

BOSTON - The former Middlesex County register of probate has been allowed to keep his $39,000 a year public pension even though he was convicted of stealing more than $100,000 from office copy machines.

BOURNE ? Bourne High School is on lockdown right now. There is a heavy police presence right across the street from where the school buses park.

UNDERCOVER - State and local investigators have launched wide-ranging investigations of the Boston Water and Sewer Commission, including looking at a private real estate deal that netted two Commission managers a $600,000 profit, FOX Undercover has learned.

BURLINGTON ? An arrest warrant has been issued for Christopher Piantedosi, the man authorities believe is responsible for the stabbing death of a woman right in front of their children.

ROCKPORT - Police dogs have searched a Rockport, Mass., beach where a toddler disappeared, after a citizen's dog reacted to stimuli there.

OVERLAND PARK, Kan. ? Sprint Nextel Corp. has raised its buyout offer for the stake in Clearwire it does not already own by 14 percent.

Sprint said Tuesday that it is offering $3.40 per share for Clearwire Corp. Its previous offer, from December, was for $2.97 per share for the wireless data operator.

Sprint said this is its best and final offer. A vote on the previous offer had been scheduled for Tuesday, but Clearwire said it is postponing it until Thursday, May 30.

GENEVA ? U.N. officials say there has been a sudden fall in the number of Syrian refugees arriving in Jordan, but it's unclear why.

Panos Moumtzis , the top U.N. refugee official for Syria, says the usual exodus of up to about 3,000 refugees daily has "dropped to almost zero" over the past four days.

Moumtzis told reporters Tuesday in Geneva that his agency is asking if "people are not being allowed to move, is it security or something else?"

WASHINGTON ? The former chief of the Internal Revenue Service is telling Congress he doesn't know why his agency targeted tea party and other conservative groups seeking tax exempt status.

Douglas Shulman tells the Senate Finance Committee Tuesday he didn't know all the facts about the situation while he was still serving.

Shulman served from March 2008 until November 2012, when the targeting was underway.

TBILISI, Georgia ? Prosecutors in Georgia say that the country's former prime minister has been detained and charged with abuse of office and misappropriation of property.

Vano Merabishvili was detained Tuesday after being questioned at the prosecutors' office in western Georgia.

Merabishvili served as prime minister under outgoing President Mikhail Saakashvili and is still the chairman of his party.

YOSEMITE NATIONAL PARK, Calif. ? A Montana man died in a rock climbing accident as he tried to climb to the top of El Capitan in Yosemite National Park, authorities said.

Mason Robison, 38, of Columbia Falls, Mont., was killed after a rock dislodged and severed his rope as he and a partner were about 2,300 feet above the Yosemite Valley floor, Yosemite spokeswoman Kari Cobb said Monday.

NEW YORK ? Simon Cowell has added former Destiny's Child singer Kelly Rowland and Latin artist Paulina Rubio to the cast of his competition show "The X Factor."

Rowland and Rubio will be on the show when it starts its third season on Fox this fall. They replace Britney Spears and record producer Antonio "L.A." Reid.

It's a reunion for Rowland and Cowell, although American audiences might not know that. She served as a judge for a season on the more successful British version of the music show.