There are various methods of inducing heart attack or heart failure.
In the book, 'The Professional Paranoid', author- private investigator, Michael Sweeney discusses how many milliamperes of electricity it might take to absolutely kill a person.

Also it is discussed at length at:

MURDER BY HEART ATTACK >> Four Winds 10 - Truth Winds

http://www.fourwinds10.net/siterun_data/health/intentional_death/news.php?q=1213558589

I have no doubt the ZOG - Zionist Occupied Government has been going around like murder execs for decades, killing people with this stuff.
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: What the Heck is going on with all these Newsmen/Journalists
: suddenly dying?

: NBC News – by Erin McClam

: Ned Colt, who reported from Asia and around the world for NBC
: News before joining two humanitarian agencies, has died in
: Boston after suffering a massive stroke. He was 58.

: Colt left NBC in 2009 to work in the aid sector with the
: International Rescue Committee and the United Nations
: office dedicated to refugees. He joined NBC News in 1996 in
: its London bureau, then moved to Asia in 1997, working from
: Beijing and Hong Kong. He covered devastating earthquakes
: in India and Turkey, the ever-evolving relations between
: Washington and Beijing, reuniting families in North and
: South Korea, and the U.S. war against terror in
: Afghanistan.

: Colt was instrumental in the network’s coverage of the Iraq
: war, and was part of a four-person team that was kidnapped
: and held for three days near Fallujah.

: “He handled the experience as he lived his life; with grace
: under fire, a wicked sense of humor, and dignity,” David
: Verdi, senior vice president of NBC Worldwide News, said in
: a statement.

: Colt also reported for NBC from Latin America, Europe and the
: Middle East. He began his career as a reporter from 1982 to
: 1991, working at network affiliates in Boston, Raleigh,
: Jacksonville and Duluth.

: A New England native, Colt is survived by his wife, Cathy
: Robinson.

:
: http://www.nbcnews.com/news/us-news/ned-colt-nbc-news-journalist-dies-boston-58-n305006