'Die in' staged at Grand Central Terminal

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New York (CNN) -- Eric Garner's mother Saturday urged the thousands of demonstrators who have taken to streets throughout nation in protest of her son's death to "keep on doing it, but do it in peace."

Gwen Carr, who appeared at a Harlem rally with the family lawyer of slain Florida teenager Trayvon Martin, said a demonstration the other day left her she stuck in traffic on the West Side Highway in Manhattan. A protester recognized her and hugged her and "everybody else followed," she said.

"My heart is overflowing with joy," she said.

Esaw Garner Snipes, Garner's widow, told the crowd that watching thousands of demonstrators from the window of her Staten Island, New York, home brought tears to her eyes. She said she told her son, "Look at all the love your father is getting."

Protests after Eric Garner grand jury decision

They spoke at a weekly rally held by the activist Rev. Al Sharpton, who will lead a march down Pennsylvania Avenue to the White House next Saturday in an attempt to take the issue of racially uneven justice in America from "moment to movement."

After the rally, Garner's family and others gathered for a wreath-laying ceremony on the Staten Island street where he died.

"The spirit of God is moving upon the masses to make a change," Kevin Buford, who was Garner's friend, said at the site of the ceremony. "I think there is going to be a change coming. Too many young men have died without no accountability."

Garner's sister, Ellisha Flagg, spoke under a cold, steady rain of the importance of police officers knowing the communities they serve.

"I never believed we would be here like this," she said, standing near the spot where her brother died.

Saturday was the fourth day of marches, sit-ins and die-ins over a grand jury decision not to indict the police officer who put the 43-year-old Garner in a chokehold during the fatal July 17 incident.

Many people around the country have been as shocked by the decision not to indict Officer Daniel Pantaleo, who put Garner in a chokehold, as they were when the cell phone video of it went viral.

The outrage has weighed especially heavy after the police shooting of 18-year-old Michael Brown in Ferguson, Missouri. When the grand jury in St. Louis County announced it would not indict Officer Darren Wilson in Brown's death, protests dotted the American map. Likewise in the Garner case.

On Saturday, dozens of protesters staged "die ins" -- laying down on the ground in memory of Garner -- at Grand Central Station in Manhattan and Union Station in Washington. Protesters also planned to gather at Union Square in Manhattan on Saturday evening.

"Our country really needs to begin to evaluate, particularly ... white people, the assumptions we make about what is happening in the black community," Judi Flournoy, a Los Angeles resident participating in the New York protest. "What's happening in these cities in these last several days is incredibly important to show we have a unified voice."

In Oakland, California, red taillights snaked for hundreds of yards down an interstate Friday, as motorists stopped for protesters blocking traffic for a few minutes.

A coast away, in New York City, protesters attempted to block traffic on FDR Drive -- a six-lane thoroughfare that hugs eastern Manhattan -- and on the iron-trellised Manhattan Bridge, which connects the island to Brooklyn.

But at the end of a long, cold, wet Friday, police had had enough and pulled up in detention buses. The sight of them alone was a deterrent to most protesters.

After a handful were arrested, the remaining group called it a night.

New York multitudes

Nowhere in the country have streets overflowed with as many outraged people as in New York City.

Friday's crowds appeared to be smaller than on previous nights, as cold rain trickled down jackets and hats. But marchers were still passionate about being heard. Some passed out a list of demands to the media regarding Garner's death.

All officers involved should be fired, they demanded, and a special prosecutor should investigate complaints of excessive force. The state legislature should make chokeholds punishable.

Earlier, Eric Garner's daughter, Erica, told CNN's "The Lead with Jake Tapper" that she wanted to see people punished for her father's killing.

"Justice to me is basically doing what's right," she said. "I wouldn't be happy with (Pantaleo) just losing his job or being suspended or still getting paid. I wouldn't want that. I would want him to face time in jail."

She said that anyone who contributed to her father's death should go to prison.

Christmas tree die-ins

At Herald Square, where Broadway cuts an elegantly slanted path through streets and avenues to create a picturesque gathering place, protesters flooded Macy's century-old flagship store -- a national historic landmark.

Store management allowed them to stage a die-in under the eyes of holiday shoppers and ceilings decked with Christmas cheer.

They marched up a few blocks to Times Square and blocked traffic for 10 minutes, then turned down 42nd Street chanting, "This is what democracy looks like."

They stopped again in Bryant Park and encircled some shops. Many of the workers in those stores came out and, in support, raised their hands in the air.

The crowd set off up Sixth Avenue, traversing against the flow of yellow cabs and other cars. A cacophony of horns greeted them, and cab drivers held their hands out of their windows in approval.

Chuck Helms, 67 and white, clad in a union-issue hard hat and satin Occupy Wall Street jacket, wore a sign around his neck.

"Remembering my brothers. BLACK LIVES MATTER," it read. The faces of Eric Garner, Trayvon Martin, Tamir Rice and Akai Gurley -- all black men whose controversial deaths made headlines -- looked out from photos.

Helms said, "It's a shame that people have to die for us to become focused."

All over America

Protests dotted the American map, and crowds were diverse.

Signs floated over the heads of crowds reading "Black lives matter" in North Carolina, Ohio, California and Louisiana.

On Saturday, police in Durham, North Carolina, reported the discovery of an undetonated explosive device -- described as a "bottle with a wick and an apparent petroleum-based liquid" -- near a protest area. The night before, 31 people were arrested after about 100 protesters shut down several streets in downtown Durham, police said.

It was personal for a young black man in Washington who held a sign reading, "I could be next."

Students lay down on campus walkways for dozens of yards in a die-in at Emory University in Atlanta on Friday.

Protesters lay on the streets of Washington in the darkness for 4½ minutes, symbolizing the 4½ hours the body of Michael Brown lay on a Ferguson street.

"I'm not an angry black man. I'm an outraged, hurt black man," one protest organizer there said.

Marchers in Massachusetts, Memphis

Near Boston -- site of one of the largest demonstrations of the night -- several dozen people blocked an intersection by lying on the road.

About 1,000 people marched Friday evening from Tufts University in Somerville, Massachusetts, to Harvard Square, according to a police estimate.

"People who don't already realize what is happening, maybe they will open their minds a little bit, or people that do realize and don't care will realize that people are angry and it's not OK," a protesting woman told CNN affiliate WHDH.

In Chicago, Elizabeth Huston, a paralegal, joined in for the first time.

"So many people realize this is a problem. This is disproportionally affecting black men and women," she said.

Cleveland cop who shot 12-year-old slammed for 'immaturity' in past job

In Cleveland, marchers protested the death of Tamir Rice, 12, who police say had a lifelike air gun and didn't comply with an officer's commands.

"CPD what do you say? How many kids have you killed today," they yelled.

The boy's family on Friday filed a wrongful death suit against police, according to the Cleveland Plain Dealer.

At a historic spot in the history of American civil rights, at the Martin Luther King, Jr. Center in Memphis, Tennessee, a dozen or more people sprawled out on a walkway.

Feet away was the second-floor motel balcony, where an assassin's bullet stuck down King, the quintessential figure of the American civil rights movement, in 1968.

Brooklyn DA: Grand jury to investigate shooting of unarmed man

Reported improvements

Meanwhile, New York officials said complaints against police officers had fallen significantly in the second half of the year, compared with July to November 2013.

A report that tallied complaints said 1,813 were made so far since July 1 of this year, 26% fewer than the number of complaints filed with the Civilian Complaint Review Board in the same period of the prior year. Excessive force allegations fell by 29%.

The dip followed a slight rise in the first six months of the year, the report said, but, overall, allegations have declined in 2014.

CNN's Ray Sanchez reported from New York, Athena Jones reported from Washington and Steve Almasy reported and wrote in Atlanta. Michael Pearson, Bill Kirkos, Dave Alsup, Ben Brumfield, Jason Carroll, Ralph Ellis, Dan Merica, D

加納的母親示威者：“繼續做，但做到這一點的和平”
由雷·桑切斯，本布魯姆費爾德和史蒂夫Almasy， CNN
2014年12月6日 - 更新2239 GMT（0639 HKT）
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“死在”上演中央車站
STORY HIGHLIGHTS
新：埃里克·加納的母親敦促示威者“繼續做，但做到這一點的和平”
示威遊行在紐約伸手需求與警方點火啟動列表
約1000人在波士頓地區1的抗議，警方估計
抗議活動是繼陪審團決定不起訴官員誰把加納的控制遭到
見證抗議在你的城市？分享您的照片與CNN的iReport。
紐約（CNN） -埃里克·加納的母親週六敦促數千名示威者誰已經在她兒子的死來抗議採取街頭遍布的國家“繼續做，但做到這一點的和平。”
格溫·卡爾，誰出現在哈萊姆拉力賽的佛羅里達州被殺害小將Trayvon馬丁家族的律師表示，示範一天離開了她，她在堵車上西城高速公路在曼哈頓。一名抗議者認出了她，抱住她，“別人後面，”她說。
“我的心臟充滿著喜悅，”她說。
Esaw加納斯奈普斯，加納的遺孀，向群眾說，看著數以千計的示威者從她Staten島，紐約窗口，家裡帶來的眼淚她的眼睛。她說，她告訴她的兒子，“你看所有的愛你的父親越來越”。
之後埃里克·加納大陪審團決定抗議 之後埃里克·加納大陪審團決定抗議
他們講話的活動家牧師夏普頓鋁，誰將會帶領行軍下來賓夕法尼亞大道的白宮下週六，企圖從參加美國種族不平衡的正義問題舉行了每週一次的集會“瞬間移動。”
集會結束後，加納的家人和其他人聚集在Staten島街道在那裡他死了獻花儀式。
“上帝的精神，正朝著對群眾做出改變，”凱文·佈福德，誰是加納的朋友，在儀式現場說。“我認為將是一個變革的到來。太多的年輕人都沒有任何問責死了。”
加納的妹妹，Ellisha弗拉格，根據警察的重要性感冒，穩定的雨說話知道他們所服務的社區。
“我從來不相信我們會在這裡這樣的，”她說，站在旁邊，她的兄弟死了當場。
星期六是遊行的第四天，靜坐及模具插件在一個大陪審團決定不起訴的警察誰把43歲的加納在控制遭到了致命的7月17日事件中。
全國各地的很多人都被不起訴官丹尼爾Pantaleo，誰把加納的控制遭到，因為他們是在它的手機視頻瘋傳的決定感到震驚。
憤怒已經稱重後18歲的邁克爾·布朗在弗格森，密蘇里州的警察射擊格外沉重。當大陪審團在聖路易斯縣宣布，將不會起訴官達倫·威爾遜在布朗的去世，點綴抗議美國地圖。同樣地，在加納情況。
上週六，數十名抗議者上演“模具插件” - 放下對加納的內存地面 - 在大中央車站在曼哈頓聯合車站在華盛頓舉行。示威者還計劃在聯合廣場聚集在曼哈頓上週六晚上。
“我們的國家真的需要開始評估，尤其是...白的人，我們對什麼是發生在黑人社區的假設，”朱迪·​​弗盧努瓦，洛杉磯居民參加紐約的抗議。“發生了什麼事在這些城市在這最後幾天是非常重要的，以顯示我們有一個統一的聲音。”
在奧克蘭，加利福尼亞州，紅色的尾燈蜿蜒幾百碼下來的州際公路上週五，作為駕駛者停止示威者堵塞交通幾分鐘。

一個遠離海岸，在紐約市，示威者試圖阻止對FDR駕駛交通 - 六車道通途的擁抱曼哈頓東區 - 和鐵格狀曼哈頓大橋，其中島內連接到布魯克林。
但在很長的，寒，濕週五結束，警方已經受夠了，並拉起拘留巴士。他們的視線獨顯威懾大多數抗議者。
經過少數人被捕，其餘組把它稱為一個晚上。
紐約米ultitudes
無處在全國已溢出與盡可能多的人憤怒的街道在紐約市。
週五的人群似乎比以前更小的夜晚，因為冰冷的雨水流淌下來的夾克和帽子。但示威者仍熱衷於被聽到。有人昏倒了要求向媒體關於加納的死亡名單。
涉及的所有人員應該被解僱，他們要求，並且特別檢察官應該調查用力過猛投訴。國家立法機關應做出chokeholds處罰。
此前，埃里克·加納的女兒，埃里卡，告訴CNN的“牽頭與傑克攻絲機”，她想看到的人受到懲罰她父親的查殺。
“法官對我基本上是做正確的事情，”她說。“我不會樂意與（Pantaleo）剛剛失去了工作或者被暫停或仍得到報酬。我不希望出現這種情況。我想他要面對坐牢。”
她說，任何人誰促成了她父親的死應該坐牢。
聖誕樹模具插件
在先驅廣場，百老匯的地方切一個優雅傾斜的路徑，通過街道和途徑來創造一個風景如畫的聚集地，抗議者淹沒了梅西的百年老旗艦店 - 一個國家歷史地標。
門店管理讓他們上演在假日購物者眼中的模式和天花板裝飾著聖誕氣氛。
他們列隊幾個街區到時代廣場和交通堵塞10分鐘，然後掉頭向下42街高喊，“這就是民主的樣子。”
他們在布萊恩特公園又停了下來，並包圍了一些商店。很多工人在這些商店中走了出來，並在支持，在空中舉起了手。
人群中掀起了第六大道，穿越針對黃色出租車和其他車輛的流量。喇叭的刺耳他們打招呼，和出租車司機舉行了他們的雙手了他們在審批窗口。
查克·赫爾姆斯，67和白色，身著工會問題，安全帽和綢緞佔領華爾街外套，戴在脖子上的標誌。

“記住我的兄弟。BLACK LIVES問題，”它讀取。埃里克·加納的面孔，Trayvon馬丁，塔米爾賴斯和阿凱格利 - 所有的黑人男子，其爭議性的死亡方面取得了頭條 - 從照片看出來。
赫爾姆斯說，“這是一個恥辱，人們不得不為我們而死，成為專注。”
美國各地
抗議活動點綴美國地圖，和人群是多樣的。
標誌浮在人群閱讀在北卡羅萊納州，俄亥俄州，加利福尼亞州和路易斯安那州的“黑色物質生活”的負責人。
上週六，警方在北卡羅來納州達勒姆，報告了一個未引爆的爆炸裝置的發現 - 描述為“瓶燈芯和明顯的以石油為基礎的液體” - 附近抗議區。前一天晚上，31人被逮捕後，約100示威者在市中心的達勒姆關閉幾條街道，警察說。
這是個人的一個年輕的黑人男子在華盛頓舉行了誰的跡象看，“我可能是下一個。”
學生在校園內人行道幾十碼的模具，在亞特蘭大埃默里大學上週五放下。
示威者在黑暗中躺在華盛頓的街道4.5分鐘，象徵著4.5小時的邁克爾·布朗的屍體躺在一個弗格森的街道。
“我不是一個憤怒的黑人男子。我是一個憤怒，受傷的黑人男子，”一個抗議的組織者有說。
在馬薩諸塞州，孟菲斯遊行
波士頓附近 - 網站之夜的最大的示威活動之一 - 數十人說謊的道路上堵住路口。
約1000人來自塔夫茨大學薩默維爾，馬薩諸塞州，哈佛廣場遊行週五晚間消息，據警方估計。
“人誰不知道已經發生了什麼，也許他們會打開他們的心靈一點點，或人們，一定要明白並不在意會意識到，人們感到憤怒，這也不行，”一個抗議女士告訴CNN子公司WHDH。
在芝加哥，休斯頓伊麗莎白，一個律師助理，參加了第一次。
“這麼多的人意識到這是一個問題，這是反常的影響黑人男性和女性，”她說。
克利夫蘭警察誰開槍的12歲的抨擊在過去的工作“不成熟”
在克利夫蘭，遊行者抗議塔米爾大米，12，警方說有一個栩栩如生的空氣槍，不符合軍官的命令，誰的死亡。
“CPD你說什麼？有多少孩子有你今天殺了，”他們喊道。
男孩的家人上週五提起警察過失致人死亡的西裝，根據克利夫蘭平原經銷商。
在古蹟在美國民權史上，在馬丁·路德·金中心在孟菲斯，田納西州，十幾個甚至更多的人趴在人行道。
英尺遠的地方是二樓的陽台汽車旅館，其中一個刺客的子彈卡住王的美國民權運動的典型的人物，於1968年。
布魯克林DA：大陪審團調查手無寸鐵的男子射擊
報導改進
與此同時，紐約州官員表示，對警察的投訴有顯著在今年下半年與7月份下降，相比於2013年11月。
是相吻合的投訴報告稱1813是自今年7月1日迄今，比提交的投訴數量減少26％平民申訴審查委員會，而上年同期。用力過猛指控下降了29％。
浸跟隨小幅上漲在今年的前六個月，該報告說，但是，總體而言，指控已經下降到2014年。
CNN的雷·桑切斯報導來自紐約，雅典娜·瓊斯從華盛頓報導和史蒂夫Almasy報導，寫在亞特蘭大。邁克爾·皮爾遜，比爾Kirkos，戴夫Alsup，本布魯姆費爾德，傑森·卡羅爾，拉爾夫·埃利斯，丹Merica，達納福特和格雷格·博特略和Melanie惠特尼促成了這一報告。

ana Ford and Greg Botelho and Melanie Whitney contributed to this report.